Purple Balloon Dog Pencil Eraser For the Pop Artist's Drawing Mistakes by NuOp Design The Balloon Dog Eraser is perfect for the Modern Art lover who makes mistakes. It looks like it's a balloon animal, but it's actually a high-quality eraser. It stands a hefty 4-inches tall -- You'd have to make LOT of mistakes to wear this fellow down. Comes in arty see-through gift box.