Product Features
- Piaget’s Conservation of number is knowing no matter what the order or arrangement of amounts, the total remains the same if nothing has been added or taken away.
- This marble counting game teaches that quantity remains the same despite changes in appearance or redistribution of the material.
- Key development milestone in cognitive development.
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Product Details
- Product Dimensions: 5.5″ Circle
- 10 marbles included
- Product Weight: 3 pounds
- Recommended Age: 3 – 7 years