Each group needs:

• 1 digital scale (accurate to 0.1 g)
• 1 250 mL graduated cylinder or measuring cup
• 1 mixing bowl/cup (approximately 500 mL capacity)
• 1 stirring stick (wooden craft sticks work well)
• 50 mL white school glue (to mix with glue)
• 50 mL warm water
• 2 g borax powder (sodium borate)
• 60 mL warm water (to dissolve borax, where the concentration of the borax solution is 3.33% m/v)
• (optional) food coloring or glitter for customizing slime
• 1 metric ruler or tape measure (up to 30 cm)
• paper towels
• resealable container for storage

For the entire class to share:

• 1 laptop or tablet and projector with access to the internet (to show YouTube videos)
• poster paper and markers – for designing or illustrating their slime formulas and results
• paper towels or wipes for cleanup
• plastic containers or resealable bags to store slime
• (optional) a digital thermometer, if measuring temperature changes is part of the extension