Kids remember the cake, the games and their friends. They don't remember what the napkins cost. A good party on a small budget comes down to spending on the few things children notice and skipping the rest. Here is where to save, where not to, and how to fill two hours for almost nothing.
The guest list drives almost every cost: food, favors, venue fees and the size of the cake. A shorter list is the single biggest saving. Decide what you want to spend in total, then work out how many children that covers comfortably.
The classics still work, and most need nothing you don't already own.
If you use balloons, one rule applies. Popped or uninflated balloons are a choking hazard for young children. Supervise, and throw away broken pieces right away.
A plain text message with the date, time and address costs nothing and does the job; no guest will think less of the party for it. If you would rather not spend the week before chasing replies, Blast is an animated video invitation with music, sent as a link: it is free to create and send, and it collects every RSVP in one place for as many guests as you invite.
Your home, your yard or a public park. Parks give you space and a playground for free, though some require a permit for groups. Always have a backup plan for bad weather.
Hold the party between meals, so snacks and cake are enough. Serve simple things kids eat: fruit, popcorn, sandwiches and a homemade cake. Buy drinks in large bottles and pour them into cups.
Printed themed tableware, a favor bag full of small toys, and hired entertainment for children under six, who are just as happy with freeze dance. None of it is what kids talk about on the way home.
Neither. Blast costs nothing to create or send, with unlimited guests and no subscription.