Superglue lasts much longer if you keep it in the fridge.

1/2 c. salt food coloring 1 T. alum 1 T. vegetable oil Mix together, then bring 2 cups water to a boil. Add food coloring, then pour over flour mixture and stir. It will be lumpy. Knead thoroughly as soon as it is cool enough to handle. Keep in airtight

Wait until the gallon size of windshield wiper fluid goes on sale and stock up. I’ve seen it as low as 69 cents quite often. Refill the Windex bottles you have and save lots of money:)