Introducing Fisher Price First Builders, a set of 150 classic-colored big building blocks that come with new shapes too! These blocks are designed for easy cleanup with a storage bag, making it convenient for parents. Ideal for ages 1+, they are endorsed by Fisher Price and help develop imagination and gross motor skills in little hands. Compatible with all Mega Bloks building toys, they provide endless learning fun. Perfect for engaging playtime and enhancing children’s development!