In the past few months, we have covered plenty of interesting smart Arduino projects. Thanks to Microduino mCookie blocks, you can build your own smart gadgets faster. This magnetically stackable Arduino kit does not require you to deal with soldering or wiring. You get a USB, Bluetooth, battery management modules to get started.
mCookie creates a plug & play platform, allowing you to build robots, weather stations, smart lamps, and more. You get various sensors to get started. Instructions for fun projects are also included in the kit. More information is available here.