Ray optics apparatus, components,lined with magnetic foil or furnished with a magnet holder and can be easily mounted and aligned on the white board. This apparatus permits a wide range of experiments demonstrating ray optics without the need for a dark room
Electric Mobility Experiment Set, 6 Different Models Can Be Built With One Chassis, Examines The Strengths And Weaknesses Of Each Solution, Compatible With All Other Horizon Kits, For Measurement, Etc, Includes fixed Steering Function At Front Of The Vehicle
Kit is climate change making us sick, Conduct simulated antibody tests for allergens, Graph and analyze data to determine if there is a correlation between temperature, pollen counts symptoms, unassembled 10-pack contains all materials to assemble 10 kits