Deceptively simple and endlessly satisfying, The Loop Puzzle is a great starting point for anyone new to metal puzzles. Rated Level 2 out of 5 in difficulty, the goal is to separate the two interlocking loop-shaped pieces—which appear to have no clear beginning or end—and then put them back together. This is a beautifully made, beginner-friendly puzzle inspired by a classic design from Professor Hoffmann’s Puzzles Old and New and recreated with care by Tetso Puzzles . Crafted from smooth steel, it’s elegant, durable, and great for curious minds of all ages. Perfect as a desk toy, gift, or icebreaker, easy to pick up, tricky enough to be fun, and very satisfying to solve.