3 ms·

Piano Staircase

• ljf 16y ago
  For comments from the other times this was posted: http://news.ycombinator.com/item?id=872759 http://news.ycombinator.com/item?id=872759 http://news.ycombinator.com/item?id=873059 http://news.ycombinator.com/item?id=873059 http://news.ycombinator.com/item?id=871721 http://news.ycombinator.com/item?id=871721
• shashank261 16y ago
  A simple yet brilliant idea, but my worry is, Will adults let kids play on that staircase? :)