Hands-on fun at any speed! Turn the gears slowly and watch the interlocking gears move to make the caterpillar crawl. Children can rotate, remove, and rearrange the colorful gears. Encourages imaginative play. Helps promote hand/eye coordination, color recognition, and fine motor skills. Material: Plastic Package Includes: 6x Interchangeable gears 1x Plastic Base Product Dimensions: 2" x 14.5" x 4.5" (assembled). For Age: 18 months & up.