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The outer wall of the straw is engraved with a scale
they can be used to demonstrate attraction and repulsion
3 Glassware
front stomach
Easy to operate and carry can measure items weight without using a power source
Magnetic Field Apparatus Marbles The outer wall of theIncluded: A set of 3 Perspex mounted wire arrangements designed to demonstrate the electromagnetic fields generated by a current passing through a conductor. 1. Single conductor type, 2. Single and 5 turns flat coil. 3. Open Helix Coil. Please check description for more information. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please
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