Theres a review here from Rome Review about villa Ada it sounds really nice and sounds like fun to take the kids out when it gets a bit warmer outside
http://www.romereview.com/?viewListing=1528&viewReview=638&review=The-real-best-park-in-Rome.&listing=Villa-Ada&category=SPORTS-&-LEISURE-->-Parks-&-Gardens
http://www.romereview.com/?viewListing=1528&viewReview=638&review=The-real-best-park-in-Rome.&listing=Villa-Ada&category=SPORTS-&-LEISURE-->-Parks-&-Gardens