Mechanical computer solves logical problems

On crowdfunding platforms you can find many projects for teaching kids programming. One of the most interesting developments lately — mechanical computer Turing Tumble, which with the help of several types of switches, arranged in a specific order, able to do incredible things. It can be used to perform arithmetic operations (addition, subtraction, multiplication, and division), to compare numbers, create sequence and to solve logical problems. The Creator of the device has already collected more than $120 000 on Kickstarter. Depending on configuration, the price Turing Tumble is from 60 to 100 dollars.