Table Top Ray Optics Kit Health & Genetics_Health & Genetics Models and subcutaneous layers with embedded

and subcutaneous layers with embedded hair follicles

5 Pa Bourdon gauge on a powder-coated metal base for whole-class visibility

Fourteen-orbital-shape model set with detailed illustrated instructions

Rotary-knob resistance substitution board offering twelve discrete values from 33 ohms to 10M ohms with 4mm lead connections

sized to drop different loads into a circuit without rewiring

Table Top Ray Optics Kit Health & Genetics_Health & Genetics Models and subcutaneous layers with embeddedPairs of lamps, slit plates and combs, holders, wooden barriers, plano convex and double convex lenses, prisms, mirrors, and a semi circular glass block fill this tabletop optics kit.