Function: 1. Easy to build,changeable in shape 2. Creative magnetic of embedded magnet design,more playable 3. Beech wood,strong and durable 4. Nature permanent magnet,not easy to fall off,random adsorption 5. Safety and environmental protection,no radiation 6. Consolidate logical thinking,strengthen exercise and effectively prevent Alzheimers disease Specifications: Amount: 7 pcs Package size: 21.5*18*5cm Material: Beech wood magnetic material Weight: 0.34kg
