Simple Switch Demonstrator with 4mm Terminals Capacity_25mL chloroplast

chloroplast

5 inch Alnico horseshoe sits between the 1

Hand-driven Newton's color disc that spins seven painted segments fast enough to merge into apparent white through persistence-of-vision and additive color mixing

this plant cell model shows organelle ultrastructure and cell-wall layering for upper-level cell biology teaching

LPG Bunsen burner with an anti-tip cast iron base and adjustable air flow

Simple Switch Demonstrator with 4mm Terminals Capacity_25mL chloroplastSingle open or closed switch on a 4mm terminal base, providing the cleanest hand operated way to make and break a circuit during early electricity instruction with stackable modules.