How to Make Slime

Introduce your kids to a little chemistry with this recipe for fun.

Materials

• 1 tsp Borax powder
• 1 1/2 cup water
• 1/2 cup white glue
• measuring spoons, measuring cups and 2 bowls
• Food colouring (optional)

Directions

• Pour 1/2 cup of glue into a bowl. Add 1/2 cup of water to the glue and stir.
• If desired, add food colouring. Otherwise, the slime will be an opaque white.
• In a separate bowl, mix 1 cup of water and 1 tsp borax powder.
• Slowly stir the glue mixture into the bowl of Borax solution.
• Take the slime that forms into your hands and knead until it feels dry and firm. (Don’t worry about the excess water remaining in the bowl.) You have made slime! Have fun!

Tips

• It will start out as a highly flexible polymer (lots of oozing) but over time it will become stiffer and more like putty.
• Store your slime in a zipper bag in the fridge.
• Use white glue, such as Elmer’s brand. Most “school glues” do not have the correct composition.
• Do not eat the slime and do not leave on surfaces that could be stained with food colouring.

Photo by Luis Albuquerque