MDF Wheel, 6mm thick fibre board, 54mm and come with drilled centre holes for 4mm dowel, There are also available in 54mm and 74mm or you can order a mix bag
Centre of Gravity Kit, Weight (lb): 1.2, 14.6, x 5.9, x 1.6in Consists of one support, 5 plumb lines, 1 roll of tape, 5 figures (triangle, L, trapezoid, parallelogram, parallelopiped), helps students in individual research of the center of gravity of a flat body
VWR* Visual Scientifics Photogate Sensor, Four Modes: Gate, Pulse, Pendulum, Frequency, also Works with VISUAL SCIENTIFICS and numerous physical science systems, This kit contains: 2 Photogates, 2Connecting wires, Main photogate hub and control, Wall charger
Can Collapsible Metal with a black, No: 8 stopper with 1 hole & 1/4 fitting with 1 3/4 in opening with cap. Used for Charles Law or pressure principals within the class room, Measure: 9 3/8x6 5/8x4 1/8in, for industrial or commercial use, Lightweight and durable
Free Fall Apparatus Economy, for determination of the gravitational constant ft gft, This kit has a wooden base, 1.1m rod and a movable electro magnet, can be moved anywhere on the rod, when the ball is released the timer is triggered and stopped one the ball his landed on the base