Explore standard tangram shapes with an added sensory element. This set of 35, large translucent tangrams features 7 textured surfaces for added tactility. Pair these colorful blocks with a light source to explore shadows and attributes. Or, stamp fun details in paint, dough and clay. These large tangrams are the perfect size for small hands to grab. Use them to explore early spatial reasoning, shape recognition and color recognition. Kids can create 2D designs, or refer to the digital activity guide for more ideas. These shapes are made of durable plastic. Easily clean them with soap and water. They'll withstand years of home or classroom use. This set is packaged in a plastic case that snaps shut for easy clean up and storage. Take this colorful activity with you wherever you go. Add these blocks to early math materials, sensory bins and light box accessories. They're great for preschool, kindergarten, and homeschool classrooms. For ages 18m+. Size range: 2"W - 4"W. Recommended age 18+ months