Kidrens 2 player games for ps2?

Can anyone recomend me any 2 player games for the playstation 2. my daughters are aged 7 and 9 years. they already have a fighting game and a car racing game. any recomendations for a game to keep them both happy.
Answer
My two boys 10 and 8 love playing lego star wars trilogy (when they in bed i set up ps2 in front room and play it) nice for strategy and easy controls (warning!!!) addictive