Specifications: 1. Name: Dice Shape 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 6 * 6 * 6cm/ 2.3 * 2.3 * 2.3in 8. Age: more than 3 years old Feature The lock may seem simple, but it contains a lot of mysteries. Easy to disassemble, difficult to re-assembly. Not only can improve your ability, and even can become a significant plan. Suitable for children and adults. With your brain, exercise your patience, can not solve the knot, but as long as the owner of the structure, must be resolved. Caveat： The child must be used under the supervision of an adult. Do not drop each other. Do not put toys in your mouth, let the children do not swallow a small part of the toy. Maintenance: Be careful to avoid drying and washing.
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