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Contains a handy wooden tray with 10 learning numbers
Short press 1S: Select of charging current 500mAh or 1000mAh (make sure of your battery can be fully and quickly charged)
and is odorless
Eyepiece Size for Eye Tube: Dia
Premium Quality: Spiral Spring is made of high-grade construction all the way through
DC Motor Model Open Design with Removable Magnets Digital Microscopes Contains a handy wooden trayIncluded: DC Motor Model Open Design with Removable Magnets 4. 5V With Connection Wires. Small scale (7. 6cm x 5. 7cm x 5cm) open DC motor. Effective and inexpensive tool for classroom demonstrations of DC motors, and electro magnetic processes more generally. The magnets and the fan component are both removeable, allowing you to demonstrate the important role that the magnets play in running the motor. Includes two connecting posts to power the
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