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Product Features:
1. Train logical thinking, relieve stress, develop intelligence, and develop hand-eye coordination
2. Improve the dexterity, parent-child interaction tool
3. Wonderful intellectual toys, used for leisure time, make your life quite interesting

Specifications:
1. Name: Fifteen Pathes Brain Teaser Puzzles
2. Material: Wooden
3. Paint material: environmentally friendly water-based paint
4. Function: unlock the ring and lock
5. Product category: Kongming lock / Luban lock
6. Product weight: about 50-100G (single)
7. Product size: about 8 * 8 * 8cm/ 3.15 * 3.15 * 3.15in
8. Age: more than 3 years old

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