Skullduggery, Inc. manufactures activity kits, science kits, craft kits, model kits and educational toys. All of Skullduggery’s products are manufactured in the United States. There are over 75 different kits to choose from. Make a Tyrannosaurus Rex skeleton, mold your hand in your favorite pitch, or make a match box size car that you can race on your hot wheel tracks. Please contact us for a catalog of our award winning products.