Toy Penguin in an Egg

The penguin in an egg is 6cm in 3 varieties. The 6cm egg with the penguin is individually packed in a box (10.5x7x5.5cm). The egg should be immersed in water at a temperature of 35 degrees Celsius. After 24-48 hours,... the shell will start to crack, and after 48 hours, the penguin will hatch from the egg and grow above the water level in the glass. (display 23 x 11 x 23 cm).