Gumball Machine

$24.99

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!

1/2″ gumballs not included.

Comes with: Chipboard parts, Dispenser knob, Transparent acetate, Plastic fasteners

ISBN: 9781338159653
Category: Juvenile Nonfiction / Activity Books

SKU: 9781338159653 Category: