Features: This baby toy is specially designed for babies aged 1 year and 6 months. By guiding the baby to practice head-up, it can promote the development of neck and back muscles and prepare for the follow-up crawling. With cute duck shape, it can move automatically, attracting the baby's attention and increasing the fun of playing. Crawling Duck Toy simulates kid's crawling posture, arouses kid's interest. With magnetic attraction design, the duckling firmly follows the mom duck. Walking up and shaking, they attract baby a lot. Rechargeable battery: the rechargeable battery is used for power supply, which avoids the trouble of frequent battery replacement, saves costs, and is environmentally friendly and sustainable. Specifications: Material: Plastic+Electronics Duck Color: Yellow/Pink Duck Size: Approx.15x14cm/5.91x5.51inch Duckling Size: Approx.10x8cm/3.94x3.15inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Duck Toy 1x Duckling Toy or 1x Duck Toy 3x Duckling Toy or 1x Duck Toy 6x Duckling Toy