This Stacking Boat made in soft, durable and washable plastic. It is perfectly sized for little hands to play with. Set comes with 7 rainbow colored boat, each boat with a number (1 to 4) engraved on top, great for little one learning counting, color recognition and hand eye coordination!Each boat can stack into and tow each other ! Attach all 7 boats together for a colorful boat parade! Flexible plastic boats can also stack altogether for easy storage. Watch the colorful boats cheerfully ride your bath time waves!Absolutely add fun to bath time ! Now bathing is playing & enjoying!