MECCANIXITY Plastic Propeller, Propeller Props Blade with Rubber Band Hooks Helicopter Kit 5" Fold Resistant for STEM Activities Powered Airplanes DIY Science(Orange, Pack of 20)

MECCANIXITY Plastic Propeller, Propeller Props Blade with Rubber Band Hooks Helicopter Kit 5" Fold Resistant for STEM Activities Powered Airplanes DIY Science(Orange, Pack of 20)

• This plastic propeller is designed for propeller remote control airplanes. It is made of durable plastic material, lightweight and durable. It is suitable for various STEM projects, toy propeller airplanes, propeller-driven cars, rubber band-driven helicopters, and is a good substitute for propellers.
• Propeller Props with Rubber Band; Propeller Diameter:130mm/5inch; Propeller Width: 18.5mm/0.73inch; Height:32.5mm/1.28inch; Tail Connector Dimensions: 6x4mm/0.24x0.16inch; Color: Orange; Pack of 20 pcs Plastic Propeller, Pack of 20 pcs Rubber Band
• Made of thermoplastic polymer ABS plastic, which not only greatly reduces the overall weight, but also ensures strong wind output, and is durable and wear-resistant. The hook made of iron material reinforces the propeller, further enhancing the structural stability of the propeller, absolute safety, and reliability when rotating at high speed. Equipped with elastic rubber bands, it can continuously and stably provide sufficient power support.
• Choose a rubber band of appropriate length and elasticity according to the size of the model. Maintain a constant speed while winding, hold the model body horizontally, and after winding, gently push the model while releasing your grip on the body.
• Avoid overstretching; rubber bands will break if stretched beyond their limit. Choose an open space if possible. Fit for 14+ ages.