Build and stack for limitless fun with the award-winning First Builders Big Building Bag by Mega Bloks. These bright primary-colored blocks encourage hands-on exploration as children imagine and create. First Builders blocks are big and easy for little fingers to assemble. When playtime is over, zip the blocks up in an eco-friendly bag and stash them in the toy box until the next adventure.
80 First Builders blocks for hours of play
Attachable wheelbase to create cars and trucks of all colors and sizes
Portable, PVC-free bag zips to store all pieces
Compatible with all Mega Bloks First Builders sets for endless building possibilities