Concave Glass Mirror, 50mm Diameter, 150mm Focal Length Pack Size_Single Plastic-bodied wave apparatus with eccentric

Plastic-bodied wave apparatus with eccentric discs that drive metal rods up and down as the handle turns

supplying a hands-on teaching tool for atomic and molecular orbital visualization in introductory and advanced chemistry

providing dense uniform spheres for ramp-and-collision experiments where a heavier projectile is needed than the plastic marbles can provide

Six-pack of polished stainless steel spatula-scoops with one rounded end and one pointed end

Concave Glass Mirror, 50mm Diameter, 150mm Focal Length Pack Size_Single Plastic-bodied wave apparatus with eccentricConcave glass mirror, 50mm diameter and 150mm focal length, the f 3 curvature stretching the focal throw for demos that need the focal point set comfortably beyond the mirror face.