Water Kit, Magnetic Water Molecules, 1 Cup, Contents: Plastic Cup: 1, Water Molecules: 12, Sodium: 1, Chloride: 1, Ethane Molecule: 1, Hydroxyl Group: 1, fun tool to help you teach water concepts, students will use these magnetic water molecules to discover hydrogen bonding, make ice etc
Fiber Optics Voice and Data Kit, fiber optics communications, Transmit your voice or a 1kHz signal through the fiber optic cable to a fiber optic receiver, components: including PC boards; microphone; speaker and fiber optic cable, with Transmitter and receiver