Go to buy mode, then go to miscellaneous and there should be a high chair in that list.
Chat with our AI personalities
I'm not sure if you can buy them but you can grow them in your garden if you have sims 2 seasons.
Build 2 huts and 1 chair
You can get The Sims 2 for the playstation 2 ( not sure about 3 ) . You can buy them from game stores and supermarkets. There is The sims 2 , The sims 2 pets & the sims 2 castaway. - hope this helps x
you have to buy sims 2 buisness carreer expansion pack
you buy them in the place were you buy thing