River Stones are an essential educational toy for all children. Children love to play with the wonderfully soft and tactile experience of the River Stones, which delight the senses. Product that links math and art. Will stimulate children's imagination and creative thinking skills. Develops fine motor skills and construction design This early learning game also helps develop fine motor skills through play activities. Children can copy the activity cards or create their own 2D and 3D objects, buildings and more. Multifunctional tool for math learning activities Children also learn colors, shape recognition, counting, sorting, patterning, sequencing, building and stacking through play. Translucent, special for working with light screen. 36 stones in 6 colors, 6 colored cups, 1 clamp, 2 dice, 4 eye stickers, 1 set of cards (20), 1 plastic box.