The machine takes a spool of wire and methodically bends it into a paper clip shape. Just like an extruder on a 3D Printer, there is a knurled drive wheel with a spring-loaded bearing pinching the ...

Try the activity and see how strong the surface of water can be! Try placing a paper clip on the water as shown. Does it sink or stay up? Unbend a paper clip into a “U” shape. This is your "grabber." ...

The paper clip is on the water but is not floating like a boat which is less dense than water ... This creates a tighter arrangement of molecules at the surface and the round shape of a drop of water.

Paper clips come in all shapes and sizes. I have a collection of the ordinary ones: metal and plastic covered colored ones along with others that I use for keeping things in orderly fashion.