3 yrs. & up. The Counting Foundations Hatchable Kit enables children to count, sparkle and shine! The ready-to-use kit includes everything you need to review one-to-one correspondence and counting objects in sequence in small groups. Each Hatchables Kit comes with a Teaching Guide with National Standard Alignments, Extensions, Assessment, At Home Connections and Free Online Video Training! At Hatch®, we believe in helping teachers to teach smarter not harder!