Rick Moranis stars as a preoccupied inventor who just can't seem to get his electro-magnetic shrinking machine to work. Then, when he accidentally shrinks his kids down to one-quarter-inch tall and tosses them out in the trash, the real adventure begins! Now the kids face incredible dangers as they try to make their way home through the jungle of their own backyard! Hurricane sprinklers! Dive-bombing bees! A runaway lawn mower and much, much more!