Can you position the two rulers, so they both ft perfectly on the grid together? The rulers will cross over each other at some points, either on top or below. Comes in a black wooden crate-style display box.
Part of the Constantin Puzzles series. Jean Claude Constantin is unquestionably one of the most prolific puzzle inventors of the past 30 years. His unique and diverse puzzle creations are renowned for their beautiful designs and challenging solutions.
IQ Focus: Spatial Reasoning, Logic, Strategy Inventor: Jean Claude Constantin Brand: Recent Toys Ages: 14+