Dixon Phano Nontoxic China Markers, Nontoxic, Paper Wrapped, Black, Ideal for marking on glass, plastic, film, paper, metal, rubber, almost any surface. Bright colors deliver vivid marks. Marks easily wipe away clean from any smooth surface.
Electric Calorimeter, can be used as a classic standard calorimeter or as an electric calorimeter, Material: aluminum and plastic, liquid capacity of 175ml, and a heat capacity of 25J/ deg C, Electrical requirements are 6V DC, up to 2A, Dimension: 10x11cm
Bimetallic Strip Demonstration, Single Piece Non-Jointed Bimetallic Strip Of With Wooden Handle, The Metals Are Distinct And Visible. An Improved Version Of The Rivetted Form. Metals Are Copper And Steel.