Company
Sign in to track which of this company's games you own and have played.
—
Average rating
1
Games
0
Votes cast
Not enough votes yet.
Build mechanical computers and watch marbles drive them. See data processing happening, witness how cleverly arranged switches create all basic functions of a microprocessor, invent ways to add, compare, divide, multiply, substract, do logic, create patterns and much more through the 59 puzzles!