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? :
Amazon.com: Clementoni - 39467 - Blackboard Puzzle for Adults - Cheers - 1000 Pieces : Toys & Games
Puzzle Clementoni - Tábla, Never stop exploring, 1000 piese - eMAG.hu