• 100% Brand new and high quality. Totally 12 pc blocks in different shape.
• The top goal is disassembling and assembling the lock.
• The lock look simple, but it contains lots of mysteries.
• Training your IQ and relaxing your body and brain.
• Good way to improve your divergent thinking and patience.

100% Brand new and high quality. Totally 12 pc blocks in different shape.Tungpang shop