Hi,
While at an electronics mall at Shenzhen last weekend I saw an interesting product called "Flexible Piano". The keyboard is made of soft plastic and can be rolled up. Asking price is 588 RMB but I have found it for 228 RMB online.
I'm wondering if such a product is available in HK, so I don't have to go through the trouble of buying online or going back to Shenzhen to haggle. Any info is appreciated.