Two simple kits that can be used as aids for teaching physics. You can discover basic properties of superconductors: Meissner Effect and levitation and suspension, demonstrate a magnetic flywheel, etc. All you need is liquid nitrogen.
Demo kit, YBCO-123 disk, NdFeB magnet, Accessories,
This kit includes also all parts from CSDK1 Kit for Meissner Effect demonstration! YBCO-123 polycrystalline disk for Meissner Effect YBCO levitation single-domain disk for strong levitation NdFeB magnets Accessories for experiments