This advanced ripple tank comes complete with all accessories needed for wave investigations: no need for a separate overhead projector. It includes an electronic strobe and control as well as a Wave Generator unit. There is also an inbuilt projection screen for easy view. The frame is made of reinforced plastic and with foam beaches (to negate reflections). There is a mirror which can be mounted at 45 degrees to project the ripples onto a translucent screen on one side of the unit. Intense illumination by strong light source which is synchronized with the wave generator helps students to observe the wave patterns on a workgroup table. The complete set comprises of:. Vibration Generator. Ripple Tank. Wave Monitor unit. Projection Mirror. Projection Screen. Footers with adjustment screws. Wave Dippers. Perspex Objects. Lever arm and support.