We had a good old solid wooden one, which could be taken apart to use as a small chair as our children got older. Note the plural tense!! Even when my children could no longer use it, we passed it onto someone else, and it's still in use! Look for something which is firm, and doesn't rock. Babies can easily fall out or tip flimsy ones over. Also make sure the sides are strong. If you look on the internet, there are many different ones on sale, but I personally think it's best to pay that little bit extra to get something which is safe, robust and attractive.