Classroom Electrolyzer Demonstration Apparatus Subcategory_Reflection and Refraction and resonance experiments

and resonance experiments

38mm lens holder

supporting medical and health-science teaching

Seventy-eight-piece molecular model set with 45 atoms and 33 bonds for building basic organic and inorganic structures

providing lightweight projectiles for collision-and-ramp experiments where steel or glass would carry too much momentum or break on impact

Classroom Electrolyzer Demonstration Apparatus Subcategory_Reflection and Refraction and resonance experimentsDemonstration scale electrolyzer sized for whole class viewing, letting gas evolution and electrode color changes stay visible from the back of the room during water decomposition lectures.