Djeco's Polyssimo is an engaging single - player game that sharpens your brain. It comes with 11 wooden pieces to reassemble into a square and 30 challenge cards with starting positions. This patience - testing game lasts about 15 minutes and is suitable for ages 7 to 99. The box measures 22 x 22 x 3cm.

Using Djeco's Polyssimo is easy. First, pick a challenge card. Then, arrange the 11 wooden pieces according to the starting position shown on the card. Your goal is to put these pieces back together to form a square. It might take some time, so be patient and let your brain work. As you play, you'll notice your problem - solving skills improving. When you're done playing, keep the wooden pieces and cards in the box to avoid losing them. To maintain the game, just wipe the wooden pieces with a dry cloth occasionally. Remember, this game is for one player, so enjoy your solo brain - revving time!