Squishy Circuits Group Kit, perfect for classrooms, makerspaces, 10 Battery Holders (40 AA Batteries not Included), 10 - Piezoelectric Buzzers, 10 Motors with Fan Blades, 10 Switches, 80 LEDs 10 ea in Red, Green, White, Yellow, Orange, Purple, Blue
Magnet Probe, Consists of a small 19 mm length alnico bar magnet mounted in freely rotating gimbal, rotates in 3D so that all x, y and z co-ordinates, three-dimensional magnetic force fields, can be mapped, Strong plastic construction
Hall Effect Apparatus, Features: n-type GaAs Hall sensor chip, Two-axis mechanical traverse for field plotting, 3-1/2 digit current and voltage meters, Metal storage case for the Hall Effect board, Reversing switch for exploring the elimination of systematic error
Kit, Stem Investigations: Make Your Own Liquid Crystal Thermometer, Includes: 5 g Cholesteryl Oleyl Carbonate, 5 g Cholesteryl Pelargonate, 5 g Cholesteryl Benzoate, 8 Dram Vials with Caps, 90 Clear Labels, 8 Plastic Forceps, 16Black Index Card, 4inx 6in, for 8 groups, Teacher's Manual included