Go interactive with your applications with this new sensor kit! 37 sensors are included in one kit, which definitely gives you a bigger bang for your buck In the version of this sensor kit, we add more sensor modules like, color sensor, digital wattmeter, heart rate monitor sensor, conductivity sensor switch, and digital shake sensor. Besides that, there are RGB LED module, speaker, vibration motor module, DC motor module and RGB backlight display to help you build up your interactive projects Use a variety of sensors to realize your brilliant idea! All of our sensors employ Gravity standard interface, plug and play, also we have a huge amount of code data for your reference. Plug everything in our IO expansion board, burn the codes into it, and then you are ready to go