Included

Turing Tumble kit includes everything you need to build computers:

Computer board
Computer stand
30 Ramps
10 Bits
8 Gear bits
6 Crossovers
4 Gears
3 Interceptors
1 Presser
Puzzle/comic book with 60 puzzles
20 Red marbles
20 Blue marbles
30 Counterweights

*no batteries needed