FRUSTRATION-FREE BUILDING - PicassoTiles Hedgehog shape blocks offer easy connectivity and simple to disconnect to maximize fun and build more creative designs. PTB120 enables children to improve hand-eye coordination, gain a strong sense of color, counting, sorting, attention, promotes the child brain development, and focus by using their hands to foster Science, Technology, Engineering, and Math skills,EDUCATIONAL TOY - Never too early to start developing kids' creativity. Children can acquire strong sense of color, structures, geometrical shapes including 3D forms, numbers counts, & architectural design at an early age. No limitations, scalable to build as big as desired by adding more pieces to create the masterpiece. The 120pcs Hedgehog shape building block can build more than 20 creative designs. Hedgehog shape block construction toys have different add-on pieces to offer open-ended,LEARNING IS FUN - Encourage creativity for STEM (science, technology, engineering, art, and mathematics) education which is the key factor to success in today's ever-changing environment. Fun and entertaining; perfect educational present for school age children that will never go out of style. Hedgehog shape building blocks are designed fosters hand-eye coordination and problem-solving skills of all ages including preschool, group activity, classroom teamwork, and kindergarten,FUN FOR EVERYBODY - PicassoTiles Hedgehog shape blocks encourage children (3+ and up) and/or families to work together as a team to design the masterpiece structures and build the creations. Entertaining for single or multiple parties and feel the sense of achievement of building together. A great way to spend quality time with the loved ones for family time bonding by playing. Developing kids creativity and STEAM (science, technology, engineering, art, and mathematics) skills,HIGH-QUALITY & NON-TOXIC - Each piece of Hedgehog shape blocks is manufactured by high-quality, toxic-free, and lead safe material with the highest standards to ensure the safety of the children. PTB120 is constructed from the highest quality materials to ensure it's strong and sturdy. Bringing you and your family, fun, and excitement for years to come