Make your own Shark Toys Slime Aquarium / fish tank like we did and fill it with toy sharks, sea animals, underwater plants and icky gooey slime! DIY crafts for kids are fun during the summer and this Shark Aquarium can let your imagination run wild by decorating your own fish tank. We made this slime from Borax, Elmers Glue, Elmers Glitter Glue and water.