Ocean Stacking Cups - Rainbow PastelA set of 5 Stacking Cups plus 5 Treasure Coins! Jellystone's Ocean Stacking Cups to help your kids explore marine life through sensory play. Stack them up, nest them, hide objects under, texture stamp with sand or playdough and match the coins with their cup! Make bath time a delight scooping and pouring the water. Which ones sink? Which ones float? Can you throw the Treasure Coins into their matching Cups?! Learn about marine creatures as each cup