Heye Puzzles Strontium Tree 1000 Piece Jigsaw This 1000 piece puzzle depicting a stunning tree with Autumnal colours is sure to relax you as you complete it. Getting stuck into a good jigsaw puzzle is a great way to while away a few hours. They can also be a fantastic way to keep the mind agile, and are a great hobby to take up both independently or as fun for all of the family. With a range of sizes and varying numbers of pieces, whether you want a quick puzzle or something more taxing, we have a variety to choose from.