{"id":3059,"date":"2012-02-21T15:34:44","date_gmt":"2012-02-21T22:34:44","guid":{"rendered":"http:\/\/mikesenese.com\/DOIT\/?p=3059"},"modified":"2026-03-08T21:04:15","modified_gmt":"2026-03-09T04:04:15","slug":"build-your-own-white-house-science-fair-marshmallow-cannon","status":"publish","type":"post","link":"https:\/\/www.mikesenese.com\/DOIT\/2012\/02\/build-your-own-white-house-science-fair-marshmallow-cannon\/","title":{"rendered":"Build Your Own White House Science Fair Marshmallow Cannon"},"content":{"rendered":"<p>Earlier this month, The White House hosted their <a href=\"http:\/\/thecaucus.blogs.nytimes.com\/2012\/02\/07\/obama-announces-education-initiatives-at-white-house-science-fair\/\" target=\"_blank\" rel=\"noopener noreferrer\">second science fair<\/a>, bringing innovating kids together from around the country to show off impressive creations and contraptions. A standout moment of the event occurred when President Obama spotted a peculiar looking device, and asked its creator for details; moments later, they had cleared a path to see if they could blast marshmallows against the wall on the other side of the room with it.<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/h_tHVCuHOmk\" width=\"640\" height=\"360\" frameborder=\"0\"><\/iframe><\/p>\n<div>\n<p>There&#8217;s something great about giving attention to the fun of building and working with science. That enthusiasm can be encouraged and shared, as the marshmallow cannon builder Joey Hudy is choosing to do with his <a href=\"http:\/\/makeprojects.com\/Project\/Extreme-Marshmallow-Cannon\/961\/1?revisionid=HEAD\" target=\"_blank\" rel=\"noopener noreferrer\">detailed build notes on the Make website<\/a>.<\/p>\n<p><!--more--><\/p>\n<p>Here&#8217;s an overview:<\/p>\n<blockquote>\n<h4>&#8220;Extreme Marshmallow Cannon&#8221; by Joe Hudy<\/h4>\n<h5>Tools<\/h5>\n<ul data-itemtype=\"tool\">\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/Hack_saw\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/Hack_saw\" data-text=\"A saw for mainly cutting metals that can be used with many different types of blades.\">Hack saw<\/li>\n<\/ul>\n<h5>Relevant parts<\/h5>\n<ul data-itemtype=\"part\">\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/8oz_PVC_Cement_Red_Hot_Low_Voc\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/8oz_PVC_Cement_Red_Hot_Low_Voc\" data-text=\"\">8oz PVC Cement Red Hot Low Voc<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/Pressure_Gauge_0-100_PSI\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/Pressure_Gauge_0-100_PSI\" data-text=\"\">Pressure Gauge 0-100 PSI<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/Electronic_Sprinkler_Valve\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/Electronic_Sprinkler_Valve\" data-text=\"\">Electronic Sprinkler Valve<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/9V_Battery_%282%29\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/9V_Battery_%282%29\" data-text=\"\">9V Battery (2)<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/Switch\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/Switch\" data-text=\"\">Switch<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"http:\/\/www.jameco.com\/webapp\/wcs\/stores\/servlet\/Product_10001_10001_36792_-1\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/Wire\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/Wire\" data-text=\"No summary\">Wire<img decoding=\"async\" src=\"http:\/\/cacher.dozuki.net\/static\/images\/guide\/cart.gif\" alt=\"\"><\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/Bike_Tire_Valve\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/Bike_Tire_Valve\" data-text=\"\">Bike Tire Valve<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/Marshmallows\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/Marshmallows\" data-text=\"\">Marshmallows<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/Altoids_Box\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/Altoids_Box\" data-text=\"\">Altoids Box<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_Tape\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_Tape\" data-text=\"\">PVC Tape<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PB110_1_2%22_x_1_4%22_Brass_Pipe_Bushing\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PB110_1_2%22_x_1_4%22_Brass_Pipe_Bushing\" data-text=\"\">PB110 1\/2&#8243; x 1\/4&#8243; Brass Pipe Bushing<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PB101_1_4%22_Brass_Pipe_Tee\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PB101_1_4%22_Brass_Pipe_Tee\" data-text=\"\">PB101 1\/4&#8243; Brass Pipe Tee<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PB113_1_4%22_Close_Brass_Pipe_Nipple\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PB113_1_4%22_Close_Brass_Pipe_Nipple\" data-text=\"\">PB113 1\/4&#8243; Close Brass Pipe Nipple<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_1_1_2%22_EL_90D_EL_%284%29\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_1_1_2%22_EL_90D_EL_%284%29\" data-text=\"Elbow Corner\">PVC 1 1\/2&#8243; EL 90D EL (4)<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_3_4%22_EL_90D_EL\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_3_4%22_EL_90D_EL\" data-text=\"\">PVC 3\/4&#8243; EL 90D EL<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_1%22_x_1%22_x_3_4%22_Tee\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_1%22_x_1%22_x_3_4%22_Tee\" data-text=\"\">PVC 1&#8243; x 1&#8243; x 3\/4&#8243; Tee<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_3_4%22_x_3_4%22_Tee_%282%29\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_3_4%22_x_3_4%22_Tee_%282%29\" data-text=\"\">PVC 3\/4&#8243; x 3\/4&#8243; Tee (2)<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_1-1_2%22_x_1_1_2_x_1%22_Tee_%282%29\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_1-1_2%22_x_1_1_2_x_1%22_Tee_%282%29\" data-text=\"\">PVC 1-1\/2&#8243; x 1 1\/2 x 1&#8243; Tee (2)<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_1_1_2%22_x_1_1_2%22_x_1_1_2%22_Tee\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_1_1_2%22_x_1_1_2%22_x_1_1_2%22_Tee\" data-text=\"\">PVC 1 1\/2&#8243; x 1 1\/2&#8243; x 1 1\/2&#8243; Tee<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_1-1_2%22_Cross\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_1-1_2%22_Cross\" data-text=\"\">PVC 1-1\/2&#8243; Cross<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_3_4%22_Running_Trap_%282%29\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_3_4%22_Running_Trap_%282%29\" data-text=\"\">PVC 3\/4&#8243; Running Trap (2)<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_1%22_Male_Adapter_%282%29\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_1%22_Male_Adapter_%282%29\" data-text=\"\">PVC 1&#8243; Male Adapter (2)<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_1%22_x_3_4%22_Bushing_%282%29\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_1%22_x_3_4%22_Bushing_%282%29\" data-text=\"\">PVC 1&#8243; x 3\/4&#8243; Bushing (2)<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_1-1_2%22_x_1%22_Bushing\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_1-1_2%22_x_1%22_Bushing\" data-text=\"\">PVC 1-1\/2&#8243; x 1&#8243; Bushing<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_3_4%22_x_1_2%22_Bushing\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_3_4%22_x_1_2%22_Bushing\" data-text=\"\">PVC 3\/4&#8243; x 1\/2&#8243; Bushing<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_Marshmallow_Barrell\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_Marshmallow_Barrell\" data-text=\"\">PVC Marshmallow Barrel<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_1_1_2%22_x_12%22_%282%29\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_1_1_2%22_x_12%22_%282%29\" data-text=\"\">PVC 1 1\/2&#8243; x 12&#8243; (2)<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_1_1_2%22_x_10%22\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_1_1_2%22_x_10%22\" data-text=\"\">PVC 1 1\/2&#8243; x 10&#8243;<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_1_1_2%22_x_6_1_2%22\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_1_1_2%22_x_6_1_2%22\" data-text=\"\">PVC 1 1\/2&#8243; x 6 1\/2&#8243;<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_1_1_2%22_x_2_1_2%22_%284%29\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_1_1_2%22_x_2_1_2%22_%284%29\" data-text=\"\">PVC 1 1\/2&#8243; x 2 1\/2&#8243; (4)<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_1_1_2%22_x_3_7_8%22_%281%29\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_1_1_2%22_x_3_7_8%22_%281%29\" data-text=\"\">PVC 1 1\/2&#8243; x 3 7\/8&#8243; (1)<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_3_4%22_x_1_1_2%22_%283%29\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_3_4%22_x_1_1_2%22_%283%29\" data-text=\"\">PVC 3\/4&#8243; x 1 1\/2&#8243; (3)<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_1%22_x_2_1_2%22_%281%29\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_1%22_x_2_1_2%22_%281%29\" data-text=\"\">PVC 1&#8243; x 2 1\/2&#8243; (1)<\/li>\n<li data-price=\"\" data-image=\"\" data-purchaseurl=\"\" data-wikiurl=\"http:\/\/makeprojects.com\/Item\/PVC_1%22_x_2%22_%281%29\" data-editurl=\"http:\/\/makeprojects.com\/Item\/Edit\/PVC_1%22_x_2%22_%281%29\" data-text=\"\">PVC 1&#8243; x 2&#8243; (1)<\/li>\n<\/ul>\n<\/blockquote>\n<p><a href=\"http:\/\/makeprojects.com\/Project\/Extreme-Marshmallow-Cannon\/961\/1\" target=\"_blank\" rel=\"noopener noreferrer\">Assembly<\/a> is pretty straightforward, but you&#8217;ll likely want to build a turret for it that lets you aim and direct your marshmallows right at your target &#8212; the waiting mouth of your hungry friends.<\/p>\n<p><a href=\"http:\/\/makeprojects.com\/Project\/Extreme-Marshmallow-Cannon\/961\/1?revisionid=HEAD\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-3076\" title=\"Extreme-marshmallow-cannon-parts\" src=\"http:\/\/mikesenese.com\/DOIT\/wp-content\/uploads\/2012\/02\/Extreme-marshmallow-cannon-parts-580x435.jpg\" alt=\"\" width=\"580\" height=\"435\" srcset=\"https:\/\/www.mikesenese.com\/DOIT\/wp-content\/uploads\/2012\/02\/Extreme-marshmallow-cannon-parts-580x435.jpg 580w, https:\/\/www.mikesenese.com\/DOIT\/wp-content\/uploads\/2012\/02\/Extreme-marshmallow-cannon-parts-145x108.jpg 145w, https:\/\/www.mikesenese.com\/DOIT\/wp-content\/uploads\/2012\/02\/Extreme-marshmallow-cannon-parts-285x213.jpg 285w, https:\/\/www.mikesenese.com\/DOIT\/wp-content\/uploads\/2012\/02\/Extreme-marshmallow-cannon-parts.jpg 592w\" sizes=\"auto, (max-width: 580px) 100vw, 580px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/makeprojects.com\/Project\/Extreme-Marshmallow-Cannon\/961\/1?revisionid=HEAD\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-3075\" title=\"Extreme-marshmallow-cannon\" src=\"http:\/\/mikesenese.com\/DOIT\/wp-content\/uploads\/2012\/02\/Extreme-marshmallow-cannon-580x435.jpg\" alt=\"\" width=\"580\" height=\"435\" srcset=\"https:\/\/www.mikesenese.com\/DOIT\/wp-content\/uploads\/2012\/02\/Extreme-marshmallow-cannon-580x435.jpg 580w, https:\/\/www.mikesenese.com\/DOIT\/wp-content\/uploads\/2012\/02\/Extreme-marshmallow-cannon-145x108.jpg 145w, https:\/\/www.mikesenese.com\/DOIT\/wp-content\/uploads\/2012\/02\/Extreme-marshmallow-cannon-285x213.jpg 285w, https:\/\/www.mikesenese.com\/DOIT\/wp-content\/uploads\/2012\/02\/Extreme-marshmallow-cannon.jpg 592w\" sizes=\"auto, (max-width: 580px) 100vw, 580px\" \/><\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Earlier this month, The White House hosted their second science fair, bringing innovating kids together from around the country to show off impressive creations and contraptions. A standout moment of the event occurred when President Obama spotted a peculiar looking device, and asked its&#8230;<\/p>\n","protected":false},"author":1,"featured_media":3060,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,8,1],"tags":[],"class_list":["post-3059","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diy","category-gadget","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Build Your Own White House Science Fair Marshmallow Cannon &#8212; DO IT: Projects, Plans, and How-tos<\/title>\n<meta name=\"description\" content=\"Learn how to build a marshmallow cannon inspired by the White House Science Fair. 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