Safe, forgiving foam blocks are easy to use and perfect for small hands to hold | Recommended for ages 3 years and up These innovative building blocks help build hand-eye coordination and manual dexterity in kids Includes vibrant, industrial-style pieces that may be interchanged or used with other sets to continuously create robots in different shapes and sizes Lightweight blocks attach together with clever VELCRO Brand Fasteners allowing for infinite creativity and hours of fun Build more with VELCRO Brand BLOCKS! These lightweight blocks attach together with clever VELCRO Brand Fastener dots. The Doggy Robot Set allows kids to follow their imagination and build their own futuristic robot dog. Safe and forgiving, the unique fasteners have mixed hooks and loops, helping to prevent lint from collecting on the clasps. This set can be combined with other VELCRO Brand BLOCK sets for extended entertainment. Children will love these safe, forgiving blocks that are tactile and easy for small hands to hold and play with. Recommended for ages 3 years and up and perfect for enhancing manual dexterity and hand-eye coordination.