Professor Puzzle The spring

Just one piece from the Matchbox Puzzle range. Every puzzle has been carefully selected and designed to ensure that these are not your average mini brainteasers. Each box has a further nine matchbox challenges written onto the sides of the matchbox, providing hours of extra fun. These puzzles may be small but they pack a punch!

Put your brain-busting skills to the test and see whether you can remove the metal ring from the spring.