Replacement Convex Glass Lens with Flat Bottom for LED Ray Box Subcategory_Slide Storage 5-3V DC for hands-on motor-action

5-3V DC for hands-on motor-action work

100mL CAPACITY || Single Erlenmeyer Flasks with 100mL capacity and easy-to-read white enamel graduations every 25mL

serial-numbered on the bag and on a removable perforated receipt stub

doubling as a lab-demo lens for focusing sunlight and investigating image formation with convex optics

identifying 27 geologic features from Bryce Canyon to the Tapeats Sandstone

Replacement Convex Glass Lens with Flat Bottom for LED Ray Box Subcategory_Slide Storage 5-3V DC for hands-on motor-actionGlass plano convex lens measuring 2 x 2 inches, with one convex face and one flat face, dimensioned as the matched replacement for the LED ray box (PH0602ALED).