Name: Wooden Sphere Puzzle,Material:Beech,the size is 75mm.
Recommended for ages 5 & up, children should be used under adult supervision. It is a puzzle that will entertain and challenge all ages.
Hard to take it apart, but harder to assemble.
This is a nice brain teaser which can bring your brain challenge.
No one falls out of love with the Wooden Ball Lock Puzzle Brain Teaser Disentanglement Puzzles Magic Balls,Perfect Christmas Gift / Birthday Gift.
Twister.CK Wooden Puzzles Ball KongMing Luban Lock is a brain teaser puzzle that will entertain and challenge for all teens and adults. It is made from beach wood material with 2.95 inches diameter. Its complex structure makes it hard to take it apart, but harder to assemble. To make it challenging and fun, no paper instruction is included. Trying to figure out the solutions is just half fun. Ideal for intelligence development, improving problem-solving ability and more. It also helps to relieve the working pressure of the adults. Makes a perfect gift for kids, friends, family members, and puzzle enthusiasts of all ages. Recommended for ages 6 years and up. Children should be under adult supervision when playing with it.