Features: The Roller Coaster Duck electric climbing toy features an innovative slide track design and motorized ducks that autonomously ascend stairs, combining STEM learning with interactive play for children aged 2+. Crafted from plastic materials, this battery powered toy produces cheerful music and flashing LED lights during operation while eliminating choking hazards. Ideal for preschoolers and elementary aged kids, this educational racer toy fosters motor skill development and imaginative play through parent child interaction during family game. Perfect for indoor playrooms or outdoor birthday parties, the portable track system with six colorful ducks creates engaging racing challenges on tabletops, floors, or staircases. This award winning climbing duck set serves as both developmental toy and decorative piece, featuring interchangeable track configurations that maintain children's curiosity through repetitive yet evolving play patterns. Specifications: Component: Plastic Size: approx.27x10x24cm/10.63x3.94x9.45inch Duck Quantity: 3pcs/6pcs/9pcs/12pcs Require: 2pcs 2A Battery(not include) Quantity: 1 Set Package Includes: 1 Set Slide Stairs Track Toy note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Batteries not included.