A baby who rocks becomes a toddler who rides! Can't wait for the little one to begin striding with his/her new bike? No problem. Start your baby rocking on this fun, low-to-the-ground, indoor Rocking Base. This accessory easily attaches to and transforms your child's bike into the perfect rocking horse bike! Baby-Riders Up! Safely gets baby on a bike, even before walking! Fun to ride. Easy to attach to any 12" Strider Bike. All-weather, durable plastic construction. Rubber floor protection strips. No batteries needed. No annoying sounds. Easy assembly. Tool included. For Babies 12 - 24 months. Maximum rider weight: 18 Kg (40 pounds). Note: Attach to 12" Strider Bike ONLY (BIKE NOT INCLUDED).