do tai chi at the park sims freeplay?
Just above Promotions r us building and to the left of lake. Step 2: After that you can call one of your sims there and Touch sim itself and you will get the option to perform tai chi in Sims FreePlay. This option is enabled along with 'Reach Nirvana' option inside the Park. It is finished in 1 hr and gives 150XP.