The InvenSense MPU-6050 sensor contains an accelerometer and a gyroscope in a single chip. It is very accurate, this sensor is used in self balancing robots, drones, smartphones, etc. The sensor uses the I2C-bus to interface with microcontroller.
This is a small tracked robot equipped with 42mm motors, a motor controller, and Spektrum remote control. Don't let its size fool you. This is a customized prebuilt version of TP-230-042.