You can save money by making your children's play putty yourself using basic household ingredients. When you make the putty from scratch, you'll know exactly what is in it and can avoid exposing your child to chemicals and preservatives. Customise the putty by using a few drops of food colouring to dye it your child's favourite hue.
Place 1 cup of flour, 1/2 cup of salt, 2 tsp of cream of tartar and 1/2 cup of warm water in a mixing bowl.
Blend the ingredients with a spoon until a dough ball begins to form.
Kneed the dough ball with your hands to completely blend the ingredients. Add more flour a teaspoon at a time if the dough is too sticky, or water if the dough is too dry, to achieve the right texture.
Add food colouring a drop at a time until you reach the desired hue. Knead the dough to evenly distribute the colour.
Be sure to store the handmade putty in an airtight container so it doesn't dry out.