Pack of 8 Chinese Classic IQ 3D Handmade Wooden Cube Brain Teaser Educational Puzzle Lock for Adults and Children Kongming lock is a traditional Chinese intellectual toy. also named Luban lock. It is said that the puzzle was invented by Zhuge Kongming nearly 2,000 years ago based on the principles of the eight-diagram metaphysics. It was widely popular among the folks. The concave and convex parts inside the three-dimensional interpolation toy mesh perfectly. Kongming locks come in different shapes and sizes, with different internal structures. But they are usually easy to take apart and difficult to reassemble. Packaging: Puzzles are wrapped by Plastic Shrink, coming with paper box. Size: Different shapes, about 7cm-8cm/2.75" to 3.15" each by length and width. CAUTION: Choking Hazard, Children must use it under the adult's tutelage Sharp Angle, don't throw the puzzle away to each other when playing. Made of wood, may had wood thorm, please check it before send it to your child. Other Style: More Styles please search ASIN B06XHW8TXB(Style 1) B073J98R1T(Style 2) B073NYKPS3 (Style 1+ Style 2) All VRSS Brand Product is Suitable for 30 Days Money Back, 60 Days Replacement, 100% Satisfaction Guarantee!
