The Amazing Red Cube Maze Coincidence

Speaking of others having ideas first, I once got obsessed with an insight about mazes: The reason most are so boring is that you can see the start and end at the same time. What if ... you had to flip the maze? Or if it was on the six sides of a cube? I built such a cube maze. Each face was a grid 12 spaces across and 12 up and down. Painted it red. A few weeks later, in a toy store, saw a dead ringer for my prototype. Red. 12-by-12. About the same size. Mine had one extra feature this one didn't. Sure made me shake my head.