Here are the rest of the bits from the Chinese made Arduino set.

HC-SR04 – Ultrasonic distance sensor

RTC v1.0 – Real time clock module

ULN2003A – Stepper motor driver v1.0 on a breakout board

Sound sensor

Thumb Joystick

Relay breakout board

MPU6050 – Gyro and Accelerometer

Triple axis compass

8 bit expander

Apart from the above, there is a stepper motor, led matrix, extension and prototyping board, a numpad, LCD display and other easily identifiable pieces