Each group needs:

• 3 Dixie cups (small, wax-coated paper cups)
• pen or marker, to label cups
• 1 glass stirring rod
• 1 10 mL graduated cylinder
• 3 paper plates
• 1 meter stick
• Silly Putty Worksheet, one per student

To share with the entire class:

• 1 box borax, also known as saturated sodium tetraborate (Na₂B₄O₇•10 H₂O) (available in the laundry aisles of grocery stores)
• 1 liter 4% polyvinyl alcohol (available at chemical supply companies, such as VWR or Fisher Scientific)
• 1 gallon white glue, such as Elmer's Glue
• liquid food coloring
• 1 gallon distilled water