Sponges are widely used around the world for many purposes. Therefore, you know you can use it for many crafting ideas. Sponges may be used in many industries for many reasons, however, they are used for cleaning in our houses. Therefore, you can craft a carry out cleaning supply from the sponge. On the other hand, if you are traveling and need to hide some of your money, you can do it in the sponge! Yes, you heard it correct. If you split open the sponge on one side, you can put your money in it and when you leave it no one will notice that if there is any money or not.