Puzzle glue is a common element in many craft projects. Although it is possible to purchase glue commercially, part of the fun of crafts is doing everything yourself. There is no reason why the glue you use should be any different. There are a number of ways to make puzzle glue at home using your own two hands. Some puzzle glue recipes are so simple they will leave you wondering why anyone ever pays for glue at all.
Milk and Vinegar Glue
One of the easiest puzzle glue recipes involves mixing milk and vinegar. When milk is mixed with vinegar, thick lumps of casein are developed. This casein is attracted by the fibers in wood, paper or cardboard, causing them to stick together. The bond will strengthen as the glue dries.
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To make this glue, simply put 1/2 cup of warm milk and 2 tbsp. of vinegar in a cup or mixing bowl. Stir the mixture until it is well blended, then let it stand for 3 minutes. Strain away the excess water by pouring the mixture through a coffee filter. Collect the casein clumps from the filter and mix with about 1 tbsp. of baking soda. You now have a mushy, mortar-like puzzle glue to work with.
Basic Flour Paste
Basic flour paste is a type of glue that can be made from common household items. In fact, the primary ingredients for making this glue are flour and water, which can be found in almost any kitchen. Gather together a small pot to use on the stove, a spoon for stirring and an airtight container to store the glue in. Combined with flour and water, these items will provide you with everything you need to make homemade puzzle glue in a matter of minutes.
Mix whole-wheat flour with cold water until it has the same thickness as pancake batter. Beat the mixture until there are no lumps and the batter has a smooth consistency. If it is too thin, add more flour, or add more water if it is too thick.
While constantly stirring, gently heat the mixture until it boils. Allow the mixture to boil for 3 minutes. Let it to cool before using. Place this glue in an airtight container. If you see the paste hardening, just mix in a small amount of warm water until it thins.