Induction Accessory Set designed for use with the current version of our Dissectible Transformer (B8H26564).Set comprises of:A six turn copper coil which allows you to show the production of a heavy current at low voltage by the melting of a nail.A solder trough to demonstrate the principle of the induction furnaceA set of aluminium rings to show 'Thomson's rings' effect. Two rings are 'solid' the third split to show that the rings must be continuous for 'levitation' to take place.A Mains coil is not included but is required for certain experiments and can be purchased separately (B8R08129).