US$ 12.00
Slotted with a central well on each glass
and cerebellum alongside the cerebral arterial supply for neuroanatomy and stroke-pathway teaching
sized for elementary lessons on area
Twelve-volt DC drive across two 600-turn coils delivers higher lifting force than 6V models
Steel Ball Bearings, 13mm, 10-Pack Waves & Oscillation_Wave Motion Slotted with a central wellTen pack of 13mm precision machined steel ball bearings for projectile launchers, roller coaster simulations, and Newton's second law apparatus in mechanics experiments.
US$ 12.00
US$ 20.00
US$ 19.99
US$ 31.99
US$ 13.99
US$ 30.00
US$ 13.00
US$ 24.99
US$ 24.99
US$ 36.99
US$ 20.00
US$ 34.99
US$ 12.00
US$ 29.99