Wooden Test Tube Stand, Standard Light & Optics_Reflection & Refraction Folds flat into a metal

Folds flat into a metal pocket frame and opens into a 5x linen tester with an integrated measurement scale

supporting skeletal anatomy teaching in health coursework

large enough for whole-class visibility when tracing magnetic field lines around bar magnets

Set of eight hexagonal nickel-plated brass weights totaling 500 grams plus three spare hooks in a wooden storage block

Wooden Test Tube Stand, Standard Light & Optics_Reflection & Refraction Folds flat into a metalClip together wooden test tube stand with two 30 mm and four 20 mm holes, assembling quickly for classroom chemistry storage and disassembling flat for easy cleaning.