Mega Bloks - 47210 - Construction and Models - Mini 6 "Mystic Babies" with color-changing - the ... - Minimum age: 4 years Dimensions: 12.7 x 6.35 x 15.24 cm Requires batteries: No Product Description: Set of 6 Mini Mystic Babies collectible! By putting them in water, the color of the belly Mini Mystic Babies of your changes: it's magic! Warranty: Lifetime, Manufacturer: Mega Bloks