These highly appealing and wonderfully tactile eggs will help develop childrens comparison and sorting skills.The set of eight eggs is ideal to stimulate both language development and math skills as children sort the eggs by size and weight.Contains 8 eggs 1 3 inches.Correlation to Common Core: SL.K.1, L.K.5a.Correlation to ECERSR: LanguageReasoning 17, Activities 19, 23, 25.Correlation to ITERSR: Listening and Talking 12, Activities 15, 21.