GIANT Box Fort Challenge! Spaceship Vs. Submarine! Which box fort do you like more? Gus the Gummy Gator and Moe the Monster pretend play launch out to space in their Giant Box Fort Space Ship! Then, they visit animals under water with their box fort submarine! Build a Box Fort and make it into anything you want! Watch Gus turn cardboard into anything he wants in 24 hours!! Fun Pretend Play inside the airplane box fort! For children who like to build with cardboard!