Play with small buildings and call it work. EraserCity from Design Ideas is a great look for any modern desk.
EraserCity looks like a city block of modern skyscrapers from a major urban center, but each building (and the base) is actually a high quality eraser.
Cast with very fine detail in bright white art eraser material.
Each measures approximately: 3.4″ h x 1.5″ d x 3″ l