Knex Marble Coaster Run

Build Your Own Thrilling Marble Coaster!

Unleash your inner engineer with the K'NEX Marble Coaster Run. This massive 504-piece building set is designed to take construction play to new heights, offering three unique models that level up in complexity. Perfect for young builders who love a challenge, this set combines the classic fun of a marble run with the excitement of motorized action.

• Motorized Lift: Includes a battery-powered motor to keep the marbles moving through the circuit automatically.
• 504 Durable Pieces: Features a vast array of rods and connectors to build sturdy, intricate structures.
• 3-in-1 Versatility: Provides detailed instructions for three different builds to keep the creative fun going.
• STEM Learning: Encourages spatial reasoning, fine motor skills, and an introduction to basic physics and engineering principles.
• Easy to Level Up: Designed with a progression system that makes it easy to start building and advance to more complex designs.

Requires AA batteries (not included). Recommended for ages 8 and up.