According to the Silly Putty website, the iconic substance began in a lab in 1943 as a failed formula for synthetic rubber. Seven years later, Peter Hodgson packaged the stretchy goo in a plastic egg and christened it Silly Putty. Since then, many parents and teachers have concocted recipes for a homemade version of the putty. Unfortunately, most of these mixtures contain glue, which can be messy or even toxic. You can make a clean, safe silly putty instead.
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Things you need
- 250 ml (1 cup) flour
- 125 ml (1/2 cup) salt
- 30 ml (2 tbsp) vegetable oil
- 250 ml (1 cup) water
- 10 ml (2 tsp) cream of tartar
- 2 Mixing bowls
- Small cooking pan
- Wooden spoon
- Aluminium foil
- Airtight container
Use a whisk to mix the flour, salt and cream of tartar together in a mixing bowl. Separate just over 250 ml (1 cup) of this mixture into a second mixing bowl.
Combine the water and vegetable oil in a small cooking pan.
Slowly blend the dry ingredients into the cooking pan. Whisk the mixture until it is lump-free.
Use the wooden spoon to mix the remaining dry ingredients into the pan. The mixture should have a soupy consistency.
Cook the mixture over a medium heat until it reaches a doughy consistency.
Remove the mixture form the heat. Allow the dough to cool for one hour on a sheet of aluminium foil.
Store your silly putty in an airtight container.
Tips and warnings
- Customise your putty by adding food colouring to the water and oil mixture.
- To keep your silly putty fresh and germ-free, place three drops of hand sanitiser into the airtight container before storage.
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