3-Speed Manual Transmission Gearbox Demonstration Base Size_8 x 5" Cubic 16 by 16 by

Cubic 16 by 16 by 16 cm footprint defines this autoclavable polypropylene test tube basket

Seventy-eight-piece molecular model set with 45 atoms and 33 bonds for building basic organic and inorganic structures

delivering wheel-driven power to a lamp or a Newton color disc

Two rectangular slots accept square or round rods up to 16 mm in this aluminum alloy multipurpose clamp holder

3-Speed Manual Transmission Gearbox Demonstration Base Size_8 x 5" Cubic 16 by 16 byThree speed manual transmission with reverse in a clear plated case, hand cranked so students trace how shifter engagement alters gear ratios and output torque selection.