Ready, set, let your imagination zoom with the CDX Blocks: Flyer - 539 Pieces, Building Brick Set. Designed by a team of inventive designers, including a real roller coaster engineer, this set allows you to construct a fully functional roller coaster. Complete with a gear shaft and crank for the initial hill climb and a smoothly operating track system, it mimics the dynamics of a classic wooden roller coaster. The Flyer model offers a perfect blend of challenge and enjoyment, making it a fantastic project for builders aged 10 and up.

The CDX Blocks Flyer Roller Coaster Building Set features:
- A realistic roller coaster experience with gravity-driven mechanics.
- Detailed gear shaft and crank system for an authentic initial climb sensation.
- Smooth track design for exciting downhills and curves.
- Easy-to-follow instructions for a fun assembly process.
- Durable construction materials for lasting play and enjoyment.