Rectangular Block - Glass, Made from imported optical glass with optically worked surfaces, All angles accurately worked with edges slightly bevelled and glass free from bubbles, Size 75 x 50 x 12 mm
Lead-Free Clylinder Set. 5 Cylinders, 0.5Inch Diameter. Aluminum, Copper, Tin, Zinc, Brass, Help Beginning Students Conceptually Understand Density, 3 3 The Density Of These Metals Ranges From 2.7 G/Cm To 8.8 G/Cm Giving Students A Wide Range Of Different Values To Study
Air Puck, perfectly balanced and glides on a cushion of air for nearly frictionless motion across any smooth surface. Sturdy bumpers will survive collisions with walls, shoes, or other Air Pucks.