Papercraft
It's incredible what you can make with just paper (and glue)!
Please note: the butterfly, cactus, and ice cream kits need a gel glue, like Scotch or UHU gel glue - which I'm afraid we don't stock (yet), we haven't found an eco-friendly one - suggestions very welcome! A family that is into crafting will likely already have some.
The other kits can use a glue stick or our plastic-free liquid glue.