Krypt Jigsaw Puzzle: Challenging 654 piece puzzle without a discernible image.
Despicable Me Impossible Puzzle | Minions, Despicable minions, Despicable me 2 minions
Amazon.com: Ravensburger Krypt Black 15260 736 Piece Puzzle for Adults, Every Piece is Unique, Softclick Technology Means Pieces Fit Together Perfectly,27" x 20" : Everything Else