Wood Rainbow Blocks An impressive blocks set that promotes color recognition, matching, stacking and sorting skills.Parents welcoming kids to share their works with them increases communication between parents and children. Nice gift set or staple for every classroom, daycare, preschool, home & anywhere else. Great gift for holidays, birthday parties or festivals (Christmas, Halloween Thanksgiving & New Years). Preschool Learning Educational Toys Rainbow blocks Color Recognition high-quality wooden and acrylic Sensory Stacking Blocks Our building block sets are made of high-quality wooden and acrylic materials, which are harmless and healthy. The surface and edges are very smooth and free of burrs, and will not accidentally scratch children's hands. Material recognition and color recognition 4colors： red/yellow/blue/green 4 materials： insects sand/beads/water/ACRYLIC Building blocks help stimulate children's imagination and creativity Act as both decorative furniture and learning tools for a functional addition to your little one's playroom or bedroom. Perfect size for learning arts and crafts, playing games, drawing and more! These blocks stack and balance well together to create all sorts of castles, cabins, garages or whatever you and your little one can imagine.