Create the perfect sand castle with the Red Dot Award winning ALTO! It’s stackable, small-medium-large components allow kids to become expert builders. Creating firm structures that won’t crumble away in minutes! Age: 0+ All our products are BPA, Phthalates and latex free and are 100% recyclable. Size: 7.1 x 7.1 x 4.3 inches Weight: 0.7 pounds Material: ABS