51026 Features: -Coaster soars 4 feet high.-500+ pieces including classic K"NEX parts.-20+ Feet of spirals, twists and loops.-Motorized blaster.-Requires 3 "C" batteries (not included).-Standard parts made in the U.S.A.-Ages 9+.-Not for children under 3 years old. Disclaimer: -Warning: Choking hazard. Small parts..