The Lens Set is an excellent set of 6 unmounted glass lenses with round edges. Each set includes one each of double convex, plano-convex, concavoconvex, double concave, plano-concave, and convexo-concave lens.
These are 50mm diameter.
Enjoy your ice cream just as the astronauts do!
Have hours of fun with this colorful remote controlled flying saucer!
Head into the lab for an in-depth investigation of genetics and DNA!
Small booklet that gets you started in the wonderful world of rocks, minerals and crystals.
This science kit is an essential introduction to physics knowledge!
Create your own super-versatile laser ray box for teaching optics with this set of three snap laser pointers.