Key Features :
i : 7 BALANCE STONES -- This set includes 7 wooden stones in red, orange, yellow, green, light blue, dark blue and purple. Rainbow Buttons feature graduated sizes and flattened midpoints to balance and stack!ii : COLORFUL NATURAL PLAY -- These stones are stained with lightly colored paint, which promotes calm and concentration. The water-based paint enhances the grain in the wood to complete the natural look.iii : SAFE FOR AGES 0+ -- The paint is water-based and non-toxic, which makes these tactile discs safe for all ages. Young hands love to feel the lightweight, smooth surface!iv : NURTURE LANGUAGE AND DESCRIPTIVE SKILLS -- The muted colors and varying sizes inspire kids to practice their adjectives and talk about their creations.v : AN OPEN-ENDED PLAY RESOURCE -- With 7 colors, babies and toddlers will have a blast creating their own pebble towers. Rainbow Buttons are also wonderful additions to imaginative play with other blocks and figurines!vi : ASSIST EARLY DEVELOPMENT -- Improve your little one's fine motor skills, dexterity and problem solving as they manipulate these smooth discs.