Description

Five-cylinder equal-mass set at 30g each in zinc

and free-fall investigations

this model removes a brain half to expose the cortical surface

Wooden handle supports 13

3/4" Steel Marbles, 5-Pack US-Unavailable Five-cylinder equal-mass set at 30gFive 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.

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3/4" Steel Marbles, 5-Pack US-Unavailable Five-cylinder equal-mass set at 30g

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