Turing Tumble Marble-Powered Computer Kit - Ages 8+

Discover how simple switches, connected together in clever ways, can do incredibly smart things with the Turing Tumble! It's a marble-powered computer kit that helps you build mechanical computers to solve puzzles. Great for ages 8 and up! Includes a puzzle/comic book, computer board, computer board stand, ramps/counterweights, and various bits and marbles.