Fat Brain Toys Rolligo Dual-colored spheres that spin in all directions while stacked in a rack; spheres colored teal/lime and pink/orange; unique and intriguing design Slide Rolligo along any flat surface to see spheres spin simultaneously in opposite directions; spheres fit perfectly, don't fall out when rolling; stunning display of twisting, turning colors enthralls young minds Great for ages 12-months+; made of high quality ABS plastic, BPA free; chunky design easy for little hands to grasp, exceptionally safe for baby Inspires sensory exploration, experimentation, creativity; strengthens motor skills; enhances cause-and-effect learning, imaginative play Includes Rolligo rack, 10 colorful spheres; sturdy yet easy-to-open packaging Fine Motor Skills Gross Motor Skills Sensory Exploration Cause-and-Effect Learning Visual-Spatial Skills Color Recognition Sorting Skills Problem Solving Open-Ended Play Imaginative Play