Wooden toy--pineapple-shaped lock.Size:11x11x11CM.Very interesting wooden toy and game,relax yourself.

Wooden toy-pineapple-shaped ball lock.

Size:11*11*11cm.

Intelligence toy is age-old traditional Chinese intellectual games, has a long history & unabated for a long time, with very subtle mathematical theory and principles of physics, even a short period of time in the open to fight hard to go back, a small but significant model was tested IQ, do not believe you try!!!