Not read other’s comments or ideas, so sorry if I’ve repeated.
I love soft lighting in my garden.
also water features.
I don’t particularly like gnomes, but I like some garden figures, especially hidden fairies and or elves.
I like a garden to feel “cosy”, and mine is small so it’s easy to achieve.
if you now have a larger space, you could create different areas, and specific child friendly sections, and grown up spaces for when the children are abed, and you can chill there alone or invite whoever you wish, to share it.
Depending what the garden soil is like, you can either plant straight in the ground, or if you have got horrible clay like mine, I plant up in tubs.
You can plant flowers or herbs or even grow fruit and veg, your children could learn so much from your new venture 😁
The convenient thing about tubs, is that they can be moved around the garden.
I hope you get a lot of enjoyment from your new space, and it’s multifunctional.
Oh, you and the children could create (from sticks, stones, bottles etc), an insect “hotel”.
Youll likely see lots of ideas on YouTube.
You can make it as large or small as you’d like.
Its also useful to create a compost heap to put your veggie kitchen waste, and grass cuttings when you’ve mowed.
if you’ve room, a water butt to make use of rainwater from the house guttering is great for watering your plants, so much better than tap water.