Brontosaurus Dinosaur party favor eggs grow and hatch in water. Place the whole egg submerged in water and avoid sun exposure, egg will start to hatch about 12-24 hours; After the animal come out of its shell, it continue to grow up; Keep it submerged in water and it will continue to grow, take it out of the water and as it dries it will shrink. Can be placed in water again to start the process over. 
 
Each favor measures 4" x 2 1/2" and includes a hatchable dinosaur egg, a personalized card with a hole for the egg. Each favor comes in a cello sleeve for gifting. 
 
Personalization is offered on 4 or more quantity eggs. Quantity of one egg will come standard with no personalization. 
 
Orders of 12 or more come in a gift box with personalized label.