There is a carousel in Florence a few blocks from the Uffizi near the Armani emporium. Depending on the time you go, see the trial heats of the Palio in Siena 8. Climb the towers of the campanile in FLorence, or the towers in San Gim. If going to Umbria, rise air gondolas up the mountain in Gubbio. Ride the finicular up the mountain in Monticatini Alto 12.
Many Italian towns have small paygrounds with soccer field, trampolines etc.
Buy a soccer ball and they will make immediate Italian friends.