conductivity tester, handheld device provides a qualitative visual indicator of the conductivity of different solutions, acids or salts, Two brass probes can be touched to a solid substance, or immersed in a liquid, to show conductivity on green LEDs
Lead Free Solder with Easy Pen Dispenser, Cheap solder ruins irons, destroys projects and makes smoke billow from our ears, affordable, flows and melts beautifully, best dispenser, saves a lot of solder, No longer break off sections of solder
Basic robotics set for STEM exploration which allow students to build a touch-sensitive robot. The learning experience by BotBrain help students transform abstract science, technology, engineering & math concepts into concrete real-world understanding with teacher-written curricula.
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