Choose a theme that your child would love that we can work around to make it the best day ever for them. If you can’t think of a theme what is your child’s favorite toy, color, character? What is something they would love to do?
Choose a public birthday location large enough to accommodate extra people. Try to choose a location where you don’t have to pay by number of people, unless it’s a place like a bowling alley where those that attend can pay for themselves as they arrive.
Even when all is planned, life happens. An entertainer may be late or unable to attend last minute. Perhaps you had a bounce house and it breaks. Have something else ready to go to keep the party moving. There are numerous classic party ideas such as pin the tail on the donkey, a piñata, balloon games. Browse the internet for numerous other examples such as these homemade game suggestions from Bashcorner.com
Here are other suggestions from the crowdFunnit Pinterest board
If you don’t have a professional DJ have a source of your child’s favorite music. Music can also be part of party games like musical chairs, or part of a Simon Says dance party.