OK, this is something i actually have knowledge in.
#1 item: Get a great car camping thermarest. This is hte best advice i can give. We used to use our backpacking thermarests, but last year bought the Base Camp model (
https://www.thermarest.com/ca/sleepi.../basecamp.html) and it's incredible. Super warm, wide, and as comfortable as my bed.
#2 item: pillows. Bring them from home. it's worth it.
The rest is all pretty basic, but some ideas:
- Get a tent that fits your needs. We have a massive car camping tent and only once tried our backpacking tent.
- Bring a tarp for if it rains. Get lots of rope so you can pitch it on any campsite. We rarely use it, but when we do, we love it.
- A bug house can be nice. We only use it a few times a year, but those few times are 100% worth it.
- Bring a picnic blanket for the kids to play cards / colour / play toys.
Hope this helps.