The German Radbox Puzzle has a medium difficulty rating. This Trick Box has a Canadian theme and proudly showcases a Maple Leaf on the lid. A very unique opening mechanism makes this puzzle a good value. Crafted with laser cut woods and stainless steel. The Puzzle measures 4.3 in x 2.7 x 2.56 inches / 9 x 9 x 7.5 cm. Note: No solution is provided for this product