If you’re looking for a puzzle that offers a different challenge from all of the Rubik’s Cubes out there, the Venn Puzzle will give you a good challenge. Made of solid stainless steel with a satin finish exterior and a pebbled interior, it is as beautiful as it is complex. It is a surprisingly difficult mechanical puzzle made of three identical pieces and it weighs in at almost two pounds. If you are into fidgeting, this would make a great fidget toy that will feel great in your hands and give you something fun to do with them.