Kit Refill Pack Birth defects and folic acid refill, kit contains: 1 Quick Guide for refilling kit, 3 graduated transfer pipets, 10 AFP Test Strip, 15 ml of Anita's Blood Serum, 5 ml of Amniotic Fluid, 5 ml of AFP Indicator
KidWind Small Water Pump with Tubing, Recommended for College and High School, to demonstrate power output from the wind and solar kit, makes comparing different turbine designs easy; simply measure how high different turbines can pump water using this mini pump
Electron tube mounted on terminal base for investigating the design and operation of modern cathode ray tubes. The electron beam can be deflected by an electric field produced by the deflection plates integrated into the tube
Universally applicable, floating, high-voltage power supply with built-in, high voltage resistant transformer to supply the heater voltage for electron tubes. Continuously adjustable high voltage, safe to touch, with passive current limitation and analogue voltage display.