Enhanced Levitator Medium, intended for science demonstrations. They are easy to use and highly durable. The levitators are provided with 6 months full no-questions-asked warranty. Able to carry only their own weight + liquid nitrogen.
Bell Demonstration Model, All The Components Of Electric Bell Are Mounted On A Large Panel. Allwiring Is Visible And Parts Are Of Large Size. Operates On 4-6 Volts Dc, Mounted On A Large Panel, All Parts Easily Visible, Rigid Constructions