["Introduction of Simple for DC Electric Motor Model DIY Assemble Kit\r\nThis is a simple permanent magnet for DC motor model to demonstrate the for DC electric motor working principle.\r\nIt can be taken apart and reassembled, when powered with 3-6V voltage (some user may use 12V battery to test it, that is not advocated).\r\nIt will rotate like a real electric motor for ideal for school scientific projects or physics teaching.\r\nPermanent Magnet: 22*20*20 mm (8.8*8*8 inch), Br ≥ 72 mT, N-pole is red, S-pole is white.\r\nAssembled Size: 14x8.7x11cm / 5.51\"x3.42\"x4.33\" (L*for W*H)\r\n Electronics Educational Kits\r\nScience School Basic Electronic Demo Motor Teaching Project\r\nPermanent magnet for DC motor model to for DC electric motor, simple design easy to assemble and disassembled for ideal for school scientific teaching project.\r\n\r\nfor DC motor experiment: input 3V - 6V for DC through wires and terminals, the coil will rotating, and speed up when voltage step up.\r\nTo avoid short circuit, two electric brush never for touch the commutator segment.\r\nPermanent magnet: 22*20*20 mm (8.8*8*8 inch), Br ≥ 72 mT, N-pole is red, S-pole is white.\r\nEnglish Instruction\r\nInstruction\r\nParameter:\r\nWorking Voltage: for DC 3.0V-6.0V;\r\nMaterial: plastic + metal;\r\nApplication: Used to study magnetic lines of force; DIY Manual practice; School educational project; for Creative Gift.\r\nMagnet Size: 22x20x20 mm (0.86”x0.79”x0.79”);\r\nMagnetic Flux Density: ≥ 72mT;\r\nOperating Temperature: -20℃~70℃;\r\nOperating Humidity: 5%~90% RH;\r\nInstalled Size: 14x8.7x11 for cm (5.51”x3.42”x4.33”).\r\nFunction:\r\n\r\nManual installation allows the user to understand the main structure of the electric motor.\r\nVerify the relationship between rotor rotation and current direction and magnetic lines.\r\nMaster the principle of motor operation.\r\nWarm tips:\r\n\r\nfor DC electric motor experiment: input 3V - 6V for DC through wires and terminals, the coil will rotating, and speed up when voltage step up. To avoid short circuit, two electric brushes never for touch the commutator segment. Its working voltage is for DC 3.0V-6.0V. And DC12V is not recommended."]