Build and operate your own dynamic roller coaster with this 3646-piece engineering set that delivers authentic mechanical motion via an included lithium battery.
Connect your layout to Lego-compatible collections using precisely sized blocks featuring self-locking geometry that resists separation during operation.
Power the miniature train continuously as you route the lithium cell housing inside the eco-friendly ABS structural frame.
Construct intricate coasters by positioning vertical supports, banking turns, and connecting segments according to numbered guide pages.
Protect your investment by accessing complimentary spare bricks immediately whenever a piece scatters or cracks during construction.
