• Click on the science laboratory icon that reads “Landgraab Industries Science Facility” and click on “Join Science Career”. You may also use the Renaissance Sim lifetime wish. • Use the Test Subject career in the available jobs career tracker and click Accept. • Have 4 species of perfect plant or create 3 monsters (requires the Sims 3 Ambitions) • If you have the Ambitious, Neurotic or Workaholic Trait or the Handy Trait, your Sim can spend Science Experiments. • Plant five trees. • Improve your gardening skill. If you are a Useless Contraption Manipulator, you can have a medium level in a gardening skill. • Repair eight objects all at once. This can have a Sim his/her handiness skill. A low skill level can cause him/her death by electrocution. • Advance to Level 10 of the three skills. • Have at least 15 adult or teenage or child friends. It is not possible with the Science Experiment. Make sure that you become a creature robot cross breeder from completing your lifetime wish.