Building blocks: Get a classic building bricks set. Options: Choose from a 300-piece, 500-piece and 1000-piece set. Great for kids: Kids will love these DIY building block which easily fit together, so you can build creations of all shapes and sizes! Compatibility: Compatible with most major brands. Material: Made from durable ABS. Creative: A fun way to encourage children's creative side! Kids' Classic Building Blocks | Living Social