100% Brand new and high quality. Totally 54 pc blocks in tetris shape. The top goal is disassembling and assembling the lock. The lock look simple, but it contains lots of mysteries.

• Totally 54 pc blocks in tetris shape.
• The top goal is disassembling and assembling the lock.
• The lock look simple, but it contains lots of mysteries.
• Product size: 7 x 7 x 7 cm.
• Good way to improve your divergent thinking and patience.

Totally 54 pc blocks in tetris shape.Imported