Libima 40 Pcs Plastic Propeller for STEM Activities, Black

Features:
The package includes 40 plastic propellers with hooks, made of quality material, suitable for your own using and giving as gifts.
Our airplane propeller is designed to match your product center hole size and propeller blade length properly for optimal performance.
Specifications:
Material: steel and ABS
Color: black
Size: 7.1 inches/ 18 cm (whole length)
Package includes: plane propeller
40 x Propeller for rubber band plane with hooks
Notes:
Manual measurement, please allow slight errors on size.
The color may exist a slight difference due to different screen displays.
Please carefully match the specifications you need.
Large quantity: our package includes 40 small plastic propellers and 40 rubber band hooks, making it easy to experiment with different designs and projects for adults from research institution, enough for your daily using needs
Ideal for Projects: our plastic propeller for stem projects are suitable for a wide range of STEM projects, including rubber band powered helicopters, propeller planes, and propeller powered cars
Quality Material: our rubber band propeller is made of thermoplastic polymer structural ABS and quality steel, with good heat resistance and high tenacity, ensuring safety and reliability for long term use
Suitable Size: with a whole length of 7.1 inches/ 18cm, 4 x 6 mm socket, and the depth of socket is 12 mm; Please carefully match the specifications you need; It fits closely onto a craft stick or wood, making it easy for people to put together
Nice Gift: our airplane propeller makes a suitable and interesting gift for STEM enthusiasts, providing endless hours of entertainment and learning