About This Complete Building Set: This set includes 100 pieces, with 75 square bricks (2x2 pegs) and 75 rectangle bricks (2x4 pegs). Suitable for sparking creativity and building fun designs Compatible with Major Brands: Designed to work with top brands, these colorful jumbo building blocks let kids expand their creations using other sets, adding variety to playtime Bright and Engaging Colors: These PREXTEX toddlers blocks come in green, blue, yellow, red, and orange. The vibrant colors capture attention and encourage imaginative play Safe and Durable: Made from sturdy, kid-friendly materials, these big blocks for toddlers are easy to grip and built for active play, helping little ones explore and create Supports Early Learning: These toddler blocks help develop motor skills, coordination, and problem-solving, making them a fun and educational toy for growing minds. Designed for kids 18 months and up