CrunchLabs by Mark Rober The Crunchinator
A hand-cranked crusher that shows how gears multiply force
Chemistry experiments disguised as magic tricks.
Best for kids who love performing tricks for an audience.
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Each experiment is staged as a trick to perform for an audience, such as making instant snow or a square bubble, and the guide then reveals the chemistry or physics that makes it work. A wand and gloves are included, along with ideas for extra experiments using household items.
Always follow the manufacturer’s age and safety guidance. Small parts may be a choking hazard for children under 3.
A hand-cranked crusher that shows how gears multiply force
Build a giant wearable robot hand powered by water pressure
Real electronic parts that snap together, no soldering
21 hands-on projects, from basic circuits to digital logic