Whoosh Boom Splat: Build Jam Jar Jets, Elastic Zip Cannons, Clothespin Snap Shooters, and More Legendary Launchers Learning Resources for Kids Peter Pracownik created the artwork

Peter Pracownik created the artwork for the Imperial Dragon Oracle

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Whoosh Boom Splat: Build Jam Jar Jets, Elastic Zip Cannons, Clothespin Snap Shooters, and More Legendary Launchers Learning Resources for Kids Peter Pracownik created the artworkWilliam Gurstelle shows ordinary folks how to build a dozen fun and impressively powerful launchers with inexpensive household and hardware store materials. This new edition includes three new projects along with diagrams, photographs, and fascinating science information. With a strong emphasis on safety, the book also gives tips on troubleshooting and describes each machines historical origins as well as the science behind it. Workshop warriors and