Radiation set of three sources contains 1 each Po-210, Sr-90 and Co-60 emitting alpha, beta and gamma radiation's. Ideal for demonstration and nuclear labs covering basic characteristics of radiation. The Co-60 is 1 uCi and the Po-210 and Sr-90 are 0.1 uCi activity.
Tectonic Model set, Demonstrate plate, plate boundary interactions and the geometry and relative motions of faulting of geologic layers using 3-D manipulative models, Versatile kit contains a Fault Model Set of 5 manipulatives and a Tectonics Sand Layer Model
Kit use of animals for medical test refills, Kits can be used in classrooms or nonCEschool settings.They do not require microscopes or expensive equipment