Variety of shapes and colors promote creativity and open-ended play Universal design is compatible with all Mega Bloks First Builders sets Perfect for stimulating imagination, improving learning skills and more For children ages 1 to 5 Build and explore limitless construction possibilities with these building blocks A variety of shapes and colors encourage endless creativity and open-ended play Use the blocks to build tall towers, crazy castles, funny creatures and more 80-piece set is compatible with all Mega Bloks First Builder sets (sold separately) Plastic blocks are perfect for stimulating imagination, developing fine-motor skills, improving learning skills and more First Builders blocks are designed for children ages 1 to 5 Brand Mega Bloks SKU ME243TB02VL60NAFAMZ-45887 Model DCJ10