Chickens!! Children find eggs, hatching and the development phenomenon fascinating. Nurture their curiosity with this hands on puzzle that teaches what is happening inside in each stage. This chicken puzzle features 🐣 A Hampshire rooster and hen, 5 stages of egg development and the hatched chicken. 🐣 Each egg stage has the illustration of the development and also description of all the major milestones in that stage. Measures 10.5"x8" made of maple wood and aspen wood.