FRUSTRATION-FREE BUILDING - PicassoTiles PTB120 bristle shape building blocks offer easy connectivity and simple to disconnect to maximize fun and build more creative designs. PTB120 bristle shape building blocks 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, Art and Mathematic skills. EDUCATIONAL TOY - Never too early to start developing kids' creativity. Children can acquire strong sense of color and 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 bristle shape building block can build more than 20 creative designs; we provide different add-on pieces to offer open-ended possibilities to cultivate children's creativity. LEARNING IS FUN - Encourage creativity for STEAM (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. Bristle shape building blocks are designed fosters hand-eye coordination and problem-solving skills of all ages including preschool, group activity, classroom teamwork, and kindergarten. BUILD FOR FUN, BUILD FOR BOND - PicassoTiles bristle 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 bristle shape block is manufactured with high-quality, toxic-free, and safe material to ensure the safety of the children and bring you and your family, fun, and excitement for years to come