Electric Paint Pen,used as a liquid wire to draw or print graphical circuits, or even as a conductive adhesive eliminating the need for soldering equipment. also work as a conductive adhesive, providing a safer alternative to using soldering irons, 10ml Pen
Specific Gravity Cylinders With Hooks, Aluminum, copper, stainless steel, tin, and zinc, Each 0.5inch in diameter, for specific heat determinations, Specific metal has been stampled on one end, Hooks can be used to easily measure mass using a spring scale