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This gives a very stable resistance with low stiction
Great for stations
Turing Tumble is a new type of game where players (ages 8 to adult) build mechanical computers powered by marbles to solve logic puzzles
All of the plans so that you can 3D print your own Turing Tumble
Educator Classroom Bundle - with 16 Spintronics Act One games the whole class can play
Spintronics Act One, Act Two, & Power Pack spin This gives a very stableThis kit is the complete set. Spintronics Act One and Act Two bring you the whole story of Natalia, with 149 puzzles ranging from beginner to intermediate to advanced. This set also includes the Power Pack, which gives you parts to charge your circuits with more power, along with a puzzle book including 11 additional puzzles. Spintronics Act One: Begin the time winding journey with Spintronics Act One. Get started building fascinating mechanical
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