3-Piece Acrylic Lens (convex, concave, trapezoid) laser pointer Comes with a hard wooden

Comes with a hard wooden case and soft foam cut-outs to keep your lenses and prisms protected between activities

Doubles as a wallet ruler

EU and many other countries around the world

adjustable focus and a click-on

refraction

3-Piece Acrylic Lens (convex, concave, trapezoid) laser pointer Comes with a hard woodenA 3 pack of acrylic lenses with polished sides perfect for classroom discovery experiments in optics! It includes: One biconcave lens (2. 3" x 0. 8") One biconvex lens (2. 3" x 0. 8") One trapezoidal prism (3. 0" x 1. 5") If you're used to doing gelatin lens molds, this set will save you so much time, messy cleanup, and ultimately will save money after many years of use! These lenses are included in the Tech Light Lab kit. Grab the full kit to bundle