Wooden Wood Educational Toy Kongming Lock Brain Teaser Ball Out Magic Puzzle Hot Selling

Features:
100% Brand new and high quality!
Intelligence toy is an old and traditional Chinese intelligence game and has been popular since ancient times.
Hiding very mysterious mathematical and physical principles，
it is easy to separate within a short time， while difficult to reassemble
Try to get out the brown ball，and put it in，it not very simple!
Durable and reliable safe non-toxic

Specifications:
Material: Wood
Size: 7.5cm x 7.5cm x 7.5cm
Color: Burlywood

Package includes:
1 x Kong Ming Lock