available at smf-enterprises:
Langley Models O scale 1:43 L3 kit British Telephone Box series 6 1936 to present $19 + 5.77 shipping
Langley Models O scale 1:43 L5 kit British Telephone Box used as Dr Who Tardis $23 + 5.77 shipping
available at Omnimodels:
Pegasus Hobbies kit 9001 1/48 War of the Worlds Martian War Machine $20 + 8 shipping
Pegasus Hobbies kit 9100 1/72 Area 51 UFO $14.29 + 8 shipping
Lindberg Models kit 9105 1/48 Roswell UFO $19 + 2 shipping
available at dollar stores, Michaels, etc:
UFO alien figures
I think an Area 51 is limited only by your imagination and funds. Think smoke machine and light show and military, and air strip, and Close Encounters of the Third Kind, and......
Paul Goodness