Description
Luban Lock Brain Puzzle by Once ZY Time. Instructions included. Box indicates 9 main pieces per set but there are many more individual pieces Recommended for ages 6+. Promotes skills in science, technology, engineering, art mathematics. Made from bamboo. Hard to take apart, harder to assemble. Luban Lock is a traditional Chinese folk educational toy that was believed to be invented by Lu Ban, a structural engineer He was later named the 'father of carpentry'. The concave & convex parts within the toy dovetail perfectly. It appears someone started this and gave up! Some pieces are still in their shrink wrap. Box measures about 5 5/8" x 5 5/8" x 2". We are a smoke free home.