Product Description:

The Big Roller Coaster Motorized Building Set is a thrilling construction challenge for aspiring engineers and young creators. Containing more than 4,200 precision-fit pieces, this theme park–inspired model lets children build a fully functional roller coaster with intricate tracks, lifts, and motorized movement. Designed for older kids who love large, detailed projects, it promotes logical thinking, patience, and coordination. Perfect for birthdays, holidays, or display, this set brings the excitement of an amusement park right into your home.

Product Specifications:

• Type: Construction Set / Motorized Model

• Theme: Theme Park Adventure

• Number of Pieces: 4,221+ pcs

• Material: High-quality Plastic

• Battery Included: No

• Electronic Components: Motorized Functions

• Dimensions (L x W x H): Approx. 54.0 × 13.0 × 67.0 cm

• Weight: Approx. 4.6 kg

• Suitable for ages 6–12+ years

• Encourages STEM learning, creativity, and construction skills