text: * vials of dry chemicals
  * metal wires, such as copper, nickel or zinc
  * metal filings, such as iron
  * graphite rods
  * a balance and weights
  * a measuring cylinder
  * a thermometer
  * a magnifying glass
  * pipettes
  * beakers, retorts, flasks, test tubes, U-tubes or other reaction vessels
  * cork stoppers
  * watch glasses
  * glass and rubber tubing
  * test tube holders, retort stands and clamps
  * an alcohol burner or other heat source
  * a filter funnel and filter paper
  * universal indicator paper or litmus paper
  * safety goggles
  * an instruction manual