Assorted Steel Spring Set Disposable_Disposable Fan-shaped end scrubs vessel bottoms

Fan-shaped end scrubs vessel bottoms on this 16

as well as Big Idea 1

Identically-equipped alternate-SKU free-fall kit with electromagnet

the 90-45-45-degree faces redirecting light through right angles for TIR demos

Rotary pipette stand holds 94 pipettes vertical with an open-bottom base for rapid draining after washing in high-throughput glassware cleanup

Assorted Steel Spring Set Disposable_Disposable Fan-shaped end scrubs vessel bottoms150 spring assortment mixing compression and extension types, lengths from 15mm to 300mm, for open ended exploration of Hooke's law, simple harmonic motion, and stored potential energy.