The First Blocks in Home set includes 150 large building blocks, featuring a variety of special shapes for added versatility. Designed for young children, the Build Them Up Deluxe Building Bag is sized for small hands, supporting early learning and development. Toddlers can explore creative play by constructing different designs while also learning color recognition. The blocks are compatible with other MEGA BLOKS sets, allowing for expanded building possibilities. Recommended for ages 1 and up, the oversized blocks help develop fine motor skills, creativity, and imaginative play.