characteristic: 1. Teaching function: cultivate children's hand eye coordination ability, creative thinking and imagination. 2. Safe and durable: these heavy intelligent children's toys do not have sharp edges, so the baby can play safely They are strong and inflexible and can be used repeatedly 3. Ideal gifts and holiday games: this inspiring educational toy will attract your children to play, enjoy thinking and learning. Your child can play interesting board games at home or when traveling outdoors, which is very convenient 4. Exercise children's memory ability Specifications: Material: ABS Weight: About 28 g Size: about 5 * 5 * 1 cm Color: as shown in the figure Package Included: 1 * memory trainer