US$ 12.99
Turning the hand crank walks students through every stage of the 2-stroke gasoline firing cycle on a 14-inch model
this four-metal cylinder set of brass
Reel of 250-foot 24 SWG nichrome resistance wire
dermal papillae
and inner ear anatomy for upper-level anatomy teaching
4-Metal Density Cubes Set with Hooks, 32mm (Brass, Lead, Aluminum, Steel) Capacity_100mL Turning the hand crank walksFour metal 32mm density cube set with hooks in brass, lead, aluminum, and steel in a snap top case, with masses between 50 and 400g for 5N spring scale suspension work.
US$ 12.99
US$ 65.00
US$ 115.00