This specially designed power supply safely runs spectrum discharge tubes of approximately 26 cm in length. Encased in a metal body, it is spring-loaded with clips to connect the tubes securely. Great for use in classroom demonstrations!
Note: This product is not a toy, and should be used by adults 18 and over only. Power supply does not include discharge tubes. Photo shows tube for demonstration purposes only.
Build a model green house and 9 other green energy-related devices with this great kit!
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This genuine meteorite is great for the rock collector in your family!
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Jumbo-sized 3 foot diameter inflatable globe is great for play and learning.
Build a magnetic levitating train with this science fair project kit!