Them Frogmen, Submarines etc, that you got out of Corn Flake packets ? You had to put something in them (i thought it was flower ) put them in a screw top pop bottle Fulla watta , tighten the top and they submerged unscrew and they came back up , my mates found a box of these sort of things in his loft , Old subbeuteo teams , a small howzthat cricket game in a small blue tin abart one n hafe inches square , cud tell a story abart that brought back some reyt memories, did you have any of these things ?