Description
a battery-free source of partial vacuum for bell-jar demonstrations without external power
two collision carts
and marble for hands-on texture
and 500mm focal lengths for comparative refraction experiments
Moment of Inertia Disc on Magnetic Base Handle Type_Wood a battery-free source of partial6. 5 inch plastic moment of inertia disc on a magnetic base ball bearing, perforated at 1cm intervals along 12 axes with six moveable pins for torque and rotational energy investigations.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
