Hold onto your hats, folks, because this CDX Blocks Sidewinder Roller Coaster Building Set is about to take you on a wild ride! This 825-piece set allows builders to construct a fully functional, gravity-powered looping roller coaster, designed by a real roller coaster engineer. The Sidewinder model features a modern steel coaster design with twists, turns, and a full vertical loop, offering endless fun and educational value. It's a perfect blend of play and learning, promoting STEM principles through engaging mechanical construction and operation.

The CDX Blocks Sidewinder Roller Coaster Building Set features:
- A gear shaft and crank to simulate the roller coaster's initial hill climb.
- A smooth, high-performance track system for exciting descents and loops.
- Detailed, realistic coaster car that completes the entire track circuit using gravity.
- Large, clear instructions for a rewarding building experience.
- Designed for ages 14 and up, making it an ideal project for teens and adults.