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
Advanced Ripple Tank with Projection Mirror, 21.1lbs, 24.4x15.4x9.4in, Includes: (1) Vibration Generator, (1) Wave monitor unit, (1) Projection screen, (1) Wave dippers, (1) Lever arm and support, (1) Ripple tank, (1) Projection mirror, (1) Set of footers with adjustment screws
MicroDirect 1080p HDMI Handheld Digital Microscope, Sensor: 3.5 MP CMOS 1/3in High Speed Sensor, Pixel Size: 2.2 um x 2.3 um, with 10x to 220x power magnification, Capture 720p High Definition video at 30fps, Power: 1. 120V Power Adapter (5V-1A)