Instead off blackboard paint, I used a blackboard sticker.
I got it for €0,99.
1
- scissor
- blackboard sticker
- painting
- chalk
2
take the cardboard from the back of the painting.
3
stick your blackboard sticker on the cardboard.
if your sticker doesn't stick well, you could try to glue it on the cardboard.
4
yeah! you're finished :)
5
<3