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24 pentagons
Engage students in concrete demonstrations of base ten concepts
has an anti-inflammatory efect and relieves pain
> 95% PFE protection
AC DC Dynamo Model with Bulb and Fan Consumables 24 pentagonsWith Bulb, Fan. For the demonstration of the structures and working, principles of AC and DC generators Simply turn the handle to produce the current which illuminates the light bulb and turn the fan. The faster the handle is turned the brighter the bulb will get. The opened construction of this unit allows students to see the function of the unit. Premium Quality: AC DC Dynamo Model with Bulb and Fan is made of high quality, heavy duty and durable
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