- This amusement toy can train and develop your logic, especially for children.
- The lock may look simple but it contains lots of mysteries, which is a good way to improve your divergent thinking and patience.
- It can not only provide us with a positive way of recreation and rest to release heavy stress but also practice our intelligence a lot, make our more clever and confident.

This item is NOT sold in stores!
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*Due to high demand please allow up to 3-4 weeks for delivery. This Item ships from our international supplier.