Micro slide viewer, cost effective giving super quality images, No power requirement and very light weight, Easy to use and teacher can be sure that the entire class will see the key features quickly
Biorb Marine service kit, includes replacement special filter cartridge for salt water aquariums, 500 g of high-quality sea salt included, Cleaning pad for removal of stubborn deposits without scratches, included, for all Biorb aquariums, except the baby Biorb
Biorb Service kit 3 plus water optimiser, Optimises water quality, Suitable for all Biorb aquariums, Cleaning cloth with rough and soft side for easy and gentle cleaning of the acrylic included, 10-piece cleaning set
Kit Birth defects and folic acid single kit for one student or group, Core Concepts: The development of the nervous system begins early in a pregnancy, Prenatal testing may indicate abnormalities in the development process.
Birth defects and folic acid unassembled kit, supplies for 10 students or groups, Core Concepts: The development of the nervous system begins early in a pregnancy, Prenatal testing may indicate abnormalities in the development process.