Placed in water the 2&3/8" plastic egg gradually cracks open over a period of
48 hours. The endearing and durable penguin is revealed and grows to
approximately 3"

• Hatches in approximately 48hrs
• Great for teaching or just plain fun
• Made of polyvinyl acetate and polyacrylamide
• Will eventually shrink if removed from water
• To re-"grow" at to a bigger penguin, just put it back in water