Musical statues, a bouncy castle (haggle on the price and you’ll get one reasonably priced, try eurobounce, they’re very good), pinata (these take ages to knock in and the boys love to bash them) and then let them loose with a football 😀 😀
This all worked for my son’s 7th party at home last month and it was a great success.
Having said that, we went to Funtasia for my daughter’s 5th party and it was really nice to let them do all the work and come home to a clean house 😆 😆
Best of luck!