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1. Safe Material: Made of smooth wood, no burr and safety for playing with. 2. Eco-friendly: Eco-friendly water paint, no damage to body, without toxic substance. 3. Easy to Play: Similar to tangram puzzles, you can think out multiple solutions to restore it back. 4. Intellectual Development: A Chinese ancient and traditional intellectual game,which has the very secret of mathematical principles and physical principle,help to improve intellectual development. 5. Function: Provide hours of fun and educational play, develop your childs spatial-visualization skills and mathematical thinking. 6. Size: 14 x 12.2 x 1.4cm.
