To think 3/4-yr olds need more entertainment at a birthday party?

[Butttons]

It is eldest DD's 4th birthday party next week. We have booked room downstairs in a pub with a photobooth for 2 hrs in the afternoon. I figure we can have a couple of party games (musical chairs, pass the parcel etc) and the photobooth itself will be the fun for kids and parents (we'll be laying on some food and drinks too obviously).

Just got back from another 4-yr old party and they had a pirate who entertained the kids with a show, some magic tricks and a parachute. There was also a bouncy castle so plenty of opportunity for them to off load energy.

Now I am worried that the party we are planning with DD won't have enough entertainment laid on. We can't afford a formal entertainer on top of everything else so it would have to be me or DH living out our worst nightmare and doing the entertainment ourselves. The horror. Am I worrying unnecessarily or should I start a crash course in balloon animals?

Longest - the OP has come on here to ask if people think that is enough entertainment. Therefore people have been answering her.
It hasn't helped that we don't know how many dc it is for - that makes quite a difference - so people are having to guess that.

It isn't about money. It's about thinking what to do for the best. I've managed to get through numerous birthday parties for each of 3 dc without ever hiring an entertainer. It needn't cost lots to put on a party, but if you don't want to run games or activities yourself (free or tiny cost for some materials), then you have to find someone who will and pay them or have a small party at home which is much easier entertaining wise or not have a party (keep in mind the dc is only turning 4 so not at school yet) or have a sort of tea party with Grandparents etc. or go for a special day out or ask each family to bring a ride on truck or seesaw or similar to share etc. etc.
What isn't really an option is inviting a (presumably?) large group or small dc to a room and then not putting anything on for them.

But the OP isn't planning on putting nothing on. She didn't fancy the idea of standing at the front doing magic tricks (nor would I) but she thanked people for their ideas of a craft table, games and dress up things to supplement what she's already providing. But then people started to lay into her choice of venue, saying craft tables were "mean" and kids that age wouldn't want to do games, and all with the raised eyebrow faces. Just no need.

I'm going against the grain here...

We recently went to a running race/fair type thing and there was a photo booth with props etc. The kids (age 2-6) LOVED it. They all waited nicely or just ran around playing with the costumes until it was their turn.

My sons got some awesome photos and still talk about it.