Classroom Electrolyzer Demonstration Apparatus Subcategory_Reflection and Refraction Seventy-eight-piece molecular model set with

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

Pair of 400-turn copper coils on an adjustable base

supporting medical and health-science teaching

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 Seventy-eight-piece molecular model set withDemonstration 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.