Constantin Tough Measures Puzzle Brainteaser from Recent Toys - Advanced Problem Solving Fun Spicy Rubber stoppers at both ends

Rubber stoppers at both ends for a secure hold

Double zipper closure for easy open and close

experience any time of day

and is rich in antioxidants

Constantin Tough Measures Puzzle Brainteaser from Recent Toys - Advanced Problem Solving Fun Spicy Rubber stoppers at both endsTough Measures The ruler of all puzzles It sounds simple: position the rules to that they both fit on the grid together. But the rulers cross over each other, on top or below, and the fit has to be just perfect. Theres no measurement for a challenge like this! Engaging Design: Crafted with the signature Constantin finesse, the "Tough Measures" puzzle boasts a unique design that is visually appealing and mentally stimulating. Cognitive Enhancement: