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
Enhanced Levitator Large, 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.
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.
Equal Mass Cylinder Set, Aluminum, Copper, Tin, Zinc, Lead, 5 Cylinders, 0.5 Inches In Diameter, To Study The Relationship Between Mass & Density, Set Of 5 Cylinders Having Same Mass & Dia 0.50in Varying Lengths.