3 years & up. From the small Starfish to the huge Whale, from northern seas to southern oceans, this Sealife Collection has it all. This collection contains 4 each of the 12 different sealife animals for a total of 48 pieces. Use these realistic pieces for a lesson about our waters and the vast ecosystems that thrive in the depths. This set includes sealife animals caught in active poses measuring from 1.25" to 3.75".