3-Piece Acrylic Lens (convex, concave, trapezoid) laser pointer 5) Full periodic table with

5) Full periodic table with atomic number reference in each period (row)

hands-free on-off switch

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

EU and many other countries around the world

8) QR code which links to rotating monthly Easter-eggs on a hidden GLG page

3-Piece Acrylic Lens (convex, concave, trapezoid) laser pointer 5) Full periodic table withA 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