Online Library TheLib.net » Ready, aim, launch!: make your own small launchers
Small launchers -- Crayon launcher -- Paper dart launcher -- Rubber band launcher -- Exploding ninja star -- Rocket launcher -- Laminated bow -- Clothespin launcher -- Candy launcher -- The finished launchers -- Small weapons in history.;"Send paper clips flying with your own miniature launcher! Step-by-step instructions are used in this book to demonstrate basic engineering and physics skills for kids."--
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