This construction toy is the top-selling junior building set in the U.S. It includes 80 durable blocks in 10 distinct shapes and 9 bright colors. The Big Building Bag features oversized pieces designed for easy handling by young children. Toddlers can explore creative play while learning color recognition and basic construction concepts. The blocks are compatible with other major building toy brands, allowing for expanded play possibilities. Suitable for ages 1+, these large blocks help develop fine motor skills, spatial awareness, and imaginative thinking through hands-on building activities.