Consult the educated monkey - Calculator

Blechfabrik

A classic American tin toy inspired by a real-life "educated" chimpanzee.
Multiply any two numbers from one to twelve and Consul will calculate the result with 100% accuracy. A fun, analog way to help kids learn their multiplication tables.

More advanced mathematical thinkers will appreciate the clever modular mechanism and underlying geometry required for the successful outcome of the Consul's binary operation. Appealing on every level.

Plus, who doesn't love a monkey in a bow tie?