These tubes are for use with Spectrum Tube Carousel Power Supply. The spectrum tubes in the Carousel system offer extended life by having no internal electrodes and are protected against accidental breakage by a hard polymer shell.
Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.
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Arbor Scientific is a leading provider of Physics and Physical Science teaching equipment tested and approved by educators recognized for their expertise. Arbor Scientific works with teachers at all levels to find the ‘Cool Stuff’ – unique demonstration and laboratory tools – and then provides lesson plans, supportive teaching guides and science teaching supplies to make each learning experience fun and effective.