Muji's Fold-up Cardboard Speakers

Lightweight, foldable, environmentally friendly, bring 'em with you speakers might not seem like a feasible concept but then Muji just went ahead and made them real. You plug them into the headphone socket of your personal stereo - no word if that includes iPods or MP3 players - and share your music with the world. Fold them flat when they are not in use - £19.95

Product page [via Popgadget]