Develop Fine Motor Skills: Provides a vivid multi-sensory experience with LED lights and music. Assembling the toy not only brings fun but also helps develop fine motor skills and encourages hands-on learning in children. Enjoy quality bonding time and enhance parent-child interaction. Valuable Set: Our Roller Coaster Toy features a creative design including 1 cartoon cardboard, 3 roller coaster tracks, 1 musical staircase, and 3 cute little ducks/tyrannosaurus rex figures. Outstanding Durability: Made from high-quality ABS materials, this Roller Coaster Toy offers superior durability and resistance to wear. Its sturdy and eco-friendly construction withstands active play, providing long-lasting fun without deformation or damage. Unique Present: Build your own roller coaster for exciting and thrilling play. This gift is ideal for birthdays, Christmas, Halloween, and other occasions. Children aged 3 and up can explore their creativity and enjoy hours of entertainment with family and friends. Simple to Use: With battery and USB charging options, the Roller Coaster Toy smoothly moves along the track and turns with ease, creating an engaging experience for kids. The surprise feature of the duck climbing stairs adds extra excitement.