This type of shield is originally cost up to 4000 BDT (in Bangladesh), which is around 39 USD (without shipping) . But by this way you can make your own microSD card shield only at 120 BDT ($1.6 USD). Don't surprise, because it don't support Ethernet connection. You can use this only as DATA-LOGGER support for ARDUINO. Lets do it..
Step 1: Parts That You Need...
1. 1 X useless memory card reader or SD card socket.
2. 1 X SD Card (or microSD card with Adopter).
3. 3 X 4.7kohms Register.
4. 3 X 10kohms Register.
5. Some male connectors rails.
Step 2: Preparing Your Circuit...