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Language:
en
Published:
January 30, 2018
ISBN13:
9781338159653
ISBN10:
1338159658
About the Book
Perfect for any budding engineer with a sweet tooth! Make your own gumball machine with a book of step-by-step instructions, adjustable ramps, custom snaps, and bumper guides. Then, keep the ball rolling with other gumball-related science experiments using simple machines. It's a ball of fun! Includes: Chipboard parts, Dispenser knob, Transparent acetate, Plastic fasteners