physical optics experiment set Triangular prism laser lights convex concave Lens set child gift toy Science equipment

Item specification:

Operates with 2*AAA batteries(not included in the package).

You can do optical experiments by this set of Optical equipment and you can adjust different light with your kids!Have fun!

Package including:

spherical mirror+ glass brick+dark brown glass brick+ small tank+concave mirror+convex mirror+three routes electricity  light source + triangular prism(without batteries)