Whoosh Boom Splat

These are the homemade machines that you’ve dreamed of building, from the high-voltage Night Lighter 36 spud gun to the Jam Jar Jet, the Marshmallow Shooter, and the Yagua Blowgun. Including detailed diagrams and supply lists, Gurstelle’s simple, step-by-step instructions help workshop warriors at any skill level achieve impressively powerful results. With Whoosh Boom Splat , you can build: - The Jam Jar Jet—the simple pulse jet engine that roars - The Elastic Zip Cannon—a membrane-powered shoot