Little do they know, tunnels are much more effective when they are a) underground and b) not transparent. Good first attempt, kitties, but better luck next time.
Meet the Little Printer. This adorable little guy from design firm BERG is a smartphone-controlled micro printer that can print anything from designs to receipts to to-do lists. It's scheduled for a 2012 release; no word yet on its price or what to do about ink or paper replacements.