Trefl Prime UFT puzzles will please all puzzle lovers! What makes them different? The use of the unique Unlimited Fit technology, the thickest puzzle board on the market and a special, irregular shape of the pieces! The puzzle can be moved and turned without fear of it falling apart. And that's not all! You can combine any number of images from the Prime UFT series, with the same number of pieces, into one large composition. Create your own personal collage with Trefl Prime puzzles! Looking for an idea for a fun evening at home? Doing a puzzle is a great way to spend free time with friends and family, and also a great brain workout. Jigsaw puzzles make the perfect birthday or Christmas present. For the sake of the environment, a compostable and biodegradable sheet has been used to package the puzzle. * All plastic components used to package the product are compostable and biodegradable. * Excellent memory training, manual skills development, concentration training, patience and observation skills * A unique gift for puzzle lovers, adults and children over 12 years old * Trefl Prime UFT 1000 piece jigsaw puzzle, perfect for jigsaw enthusiasts, are special irregular shaped jigsaws made of the thickest cardboard! * The finished picture is 683 x 480 mm. You can move it around, rotate it and combine it with other Prime UFT puzzles of the same size in one big collage!