Trefl Prime Uft Puzzle will delight every puzzle fan what makes them different. The use of unique Unlimited Fit Technology, the thickest puzzle board on the market and a special, irregular shape of the elements you can move and turn the puzzle without worrying that they will fall apart. But that's not all You can combine any pictures from the Prime Uft series, with the same amount of elements, into one large composition. Create your own individual collage with Trefl Prime puzzles.