Chess set with holes in the base of each pieces for a 3mm^3 magnet. Draw a chess board on your fridge to run a slow game of chess on. Also usable as normal fridge magnets between games or after a pieces has been captured.

This was made with Tinkercad. Edit the part online at: https://tinkercad.com/things/hdWAU1aqURR

Print this online at: http://www.shapeways.com/model/512818/?materialId=6

Print using two different colours. Push rare earth cube magnets into the holes in the bases. Draw eight by eight checker board on fridge or other metal surface. Play.