Styrofoam ball, 4" diameter, individual

Styrofoam ball, 3" diameter for science experiments.

Styrofoam ball, 1.5" diameter, individual, for science experiments.

Pack of four balls.

Two 1.2" ceramic bar magnets with ends marked North and South.

Use these fine mesh iron filings to show magnetic fields of magnets! Look below for additional experiment ideas, the iron filings formula, formula weight, and more.

These aluminum weighing boats or weighing dishes have multiple lab uses.

Pack of two balls.

Cotton cable cord. Works well with our pulleys or for general use.

Insulated 15" wire leads to quickly connect electrical items.

Individual steel ball that is 1" in diameter.