The best world educational toy in 1965-1969 now made of natural materials by EWA. 4 wooden gears with holes and wooden frame combined in one to make a toy set to draw. Just put any gear inside the frame, insert a pencil or pen stick inside any hole on a gear and do circular moves to create incredible spiral curves.
Assembled model size: 170*170 mm.
Package size: 200*180*5 mm.
Number of details: 6.