US$ 147.00
and free-fall investigations
this model removes a brain half to expose the cortical surface
transmitting light end-to-end via total internal reflection to give a tabletop analogue of a fiber-optic cable
providing a quick swap-in reference for general-purpose AC-circuit and timing-experiment work
3/4" Steel Marbles, 5-Pack US-Unavailable and free-fall investigationsFive pack of 3 4 inch steel marbles, providing dense uniform spheres for ramp and collision experiments where a heavier projectile is needed than the plastic marbles can provide.
US$ 147.00
US$ 157.00
US$ 153.00
US$ 157.00
US$ 170.00
US$ 157.00
US$ 157.00
US$ 11.99
US$ 10.99
US$ 19.99
US$ 114.00
US$ 467.50