Silicone Lens Mold for Gelatin Lenses (DIY) stem education and double-sided

and double-sided

Batteries and foam storage case included

5" x 11" classroom pack for students

The Super Safe Green Laser Pointer is the ultimate in laser safety at <1 mW (Class 2) low power levels emitting 532 nm light

Silicone Lens Mold for Gelatin Lenses (DIY) stem education and double-sidedSilicone mold for making your own concave lens, convex lens and spherical lens out of Gelatin (or Agar) for light and optics experiments and science lessons. This durable silicone tray makes a perfect set of lenses with simple, plain gelatin concave, convex and semi spherical. Perform dozens of science experiments including refraction, magnification, measure the index of refraction of the gelatin you can even add sugar or coloring to explore even more