1000pcs Clementoni Black Board Puzzle. The box says that you can write on it using chalk, but the surface doesn't feel like I can. I'll give it a try. Any creative suggestions? :
Puzzle Piece White Chalk Black Board Concept Doodle Stock Vector Image & Art - Alamy
Puzzle on blackboard Royalty Free Vector Image
Black Board Jigsaw Puzzle by Tom Gowanlock - Pixels