Mould King 24048 Coaxial Counter Rotating Helicopter Building Kit - 274 Piece STEM Toy for Kids & Adults | Educational Model Set for Engineering Enthusiasts | Perfect for DIY Projects, Gift Giving & STEM Learning Activities

Constructed from 274 high-quality bricks, this model measures over 30cm in length, presenting a substantial build that's both challenging and satisfying. 

The helicopter features a unique blue and yellow color scheme that stands out, enhanced by detailed elements and functional aesthetics, including coaxial counter-rotating blades that add a realistic touch to the model. 

Key Features:

• 274 Pcs
• Over 30cm long
• Coaxial counter-rotating blades
• Building Instruction Booklet Included