A toy package is partially submerged in liquid to cause the toy package to move from a closed configuration to an open configuration. The toy package includes a first portion supported by a second portion. At least one of the first portion and the second portion being movable relative to the other one of the first portion and the second portion from the closed configuration to the open configuration. A toy is disposed in the toy package. A buoyancy system assists the toy package to move from the closed configuration to the open configuration when the buoyancy system is submerged in the liquid. The toy package can further include a water soluble film sealing the first portion to the second portions.