Lenz' Law - Open & Closed Loop, Simple, Economical Device, Constructed Of Cast Iron Base And Aluminum Ring, Used To Demonstrate The Induction Of An Magnetic Field, This Teaches Faraday'S Law Of Induction As Well As Lenz' Law.
Electric Paint Pen is like a liquid wire. It acts as a conductive adhesive and can be used as a capacitive sensor. Suitable for application on a wide range of materials from fabric to wood to paper. Nontoxic, dries in under 15 minutes to become conductive, Size: 10ml tube