10,000µF Electrolytic Capacitor Demonstrator with 4mm Terminals Chemistry_Chemistry Charts & Molecular Models Two-speed ticker timer kit printing

Two-speed ticker timer kit printing 25 or 40 dots per second on paper tape via carbon discs

with two 4mm terminal posts

and d2sp3 atoms for hybridization-and-geometry visualization

Ninety-five-piece molecular model set with 53 atoms and 42 links spanning organic and inorganic chemistry

a 45mm hollow equilateral acrylic prism holds varied liquids for refraction-index-by-medium investigations

10,000µF Electrolytic Capacitor Demonstrator with 4mm Terminals Chemistry_Chemistry Charts & Molecular Models Two-speed ticker timer kit printingTen thousand microfarad electrolytic capacitor in an ABS module with 4mm sockets, the largest value in the demonstrator line for slow RC charging and high energy capacitor discharge work.