physical optics experiment set Triangular prism laser lights convex concave Lens set child gift toy Science equipment
The shipment will be arranged in 1-3 working days( not including customized product), and takes about another 3-9 working days to reach you.

• You can do optical experiments by this set of Optical equipment
• you can adjust different light with your kids!Have fun!
• Operates with 2*AAA batteries(not included in the package)

You can do optical experiments by this set of Optical equipmentWDQY