The Starkids Rainbow Rotary Column helps babies and toddlers enhance their motor dexterity and coordination as they spin and stack the vibrant, flower and star-burst shaped discs. Kids learn about cause-and-effect with sit and spin toys for toddlers 1+, practice sorting by color, shape, and size while stacking and spinning, reinforcing early counting skills in a playful manner. These spinning toy for toddlers are crafted from strong, coated ABS plastic, this toy is made without BPA and is FULLY safety tested. The Vivid textures and vibrant colors on these sit and spin toys for toddlers stimulate tactile exploration and visual-recognition skills, making playtime educational and fun.