Velcro Kids, Velcro Brand Blocks | Building Blocks, Lightweight Foam | 18 Piece, Compatible with Other Cars/Trucks | Formula Race Car, Age 3+ VELCRO Brand BLOCKS An alternative, creative take on traditional building blocks. These easy-to-put-together blocks may be assembled in a variety of combinations using VELCRO Brand fastening dots. [Packaging may vary] EARLY LEARNING STEM TOY Designed with a strong emphasis on STEM LEARNING to help children from an early age, build a solid foundation in Science, Technology, Engineering and Mathematics. CRITICAL THINKING, REASONING, PROBLEM SOLVING Develop key fine motor skills. Explore patterning, matching, and counting. Build confidence, learn cause & effect. Encourage creativity & imagination. SAFETY is our number one concern, all our toys have been tested for compliance with ASTM F963-11 US CPSIA Regulations. VELCRO Brand BLOCKS are LEAD-FREE, HEAVY METAL-FREE, BPA-FREE and PTHALATE-FREE LEARNING THROUGH PLAY It's never too early to start developing kids creativity. Perfect for entertaining & group play - create a sense of achievement together. Suitable for ages 3+ and up. MIX & MATCH From dinosaurs and trucks to robots and buildings. All our sets are interchangeable, so you can grow your collection and set size. BUILD BIG.