For the glow-in-the-dark-slime (per group):

• 240 ml (1 cup) hot water
• 1 medium-sized bowl
• 110 g (4 oz.) clear non-toxic liquid glue (students may use white glue, but the slime will be opaque)
• 1 teaspoon glow powder, available online or in craft stores
• 2 teaspoons borax (sodium tetraborate or sodium borate, NOT boric acid)
• 240 ml (1 cup) measuring cup
• 1 teaspoon measuring spoon

For the entire class:

• microwave or electric tea kettle (to make hot water)