Magnetic Physics Optical Optics Experiment Kit Linear Light Reflector Refraction Prism Concave Mirror for Student Science Lab

The color of the light source is random.The quality and function of different color products are exactly the same. And the 6pcs lens set do not have the magnetic base.
Power Supply: 2 pieces AAA batteries (NOT included).
Magnetic Lens Set: 6pcs a set does not have the magnetic base, 8pcs a set has the magnetic base that can be attached to the blackboard.
Magnetic Set: Laser Light Source+Magnetic Lens Set (8pcs), both the three way linear light source and the lens have the magnetic base that can be attached to the blackboard, make the experiemnt demonstration
more convenient.