light leaper accessory, insulating printed circuit board carries a metallic conduction path with six breaks and a binding post at each end, When connected to an operating electrostatic generator, simultaneous sparks occur in each of the breaks as charge flows
Ballistics Car with Remote Trigger, demonstrates the independence of vertical and horizontal motions. It consists of a four-wheeled cart carrying a vertical tube with a spring-loaded piston inside. The tube is loaded with a ball and the cart is set in motion
Drilled Ball Set, 1inch Diameter, set of 12, erfect for conducting own pendulum experiments, 3mm hole is drilled down the center of each ball, Comes in a plastic container with foam padding to hold the drilled balls firmly in place
Ripple Tank, Overhead, Dimensions: 15.5inx12inx4in, 6V DC power source and an overhead projector are required, demonstrates the generation, propagation, reflection, interference and diffraction of waves
Educational Diffraction Slide, For Demonstrating The Principle Of The Diffraction Grating And The Way In Which Its Properties Are Dependent Upon The Number Of Lines Per Unit Length. Comprises A Card Mount 90 X 40 mm Approximately With Three 16 X 9 mm Apertures