Solder four wire connections as follows:

• motor controller VIN -> Flora 3.3V
• motor controller GND -> Flora GND
• motor controller SCL -> Flora SCL
• motor controller SDA -> Flora SDA

Solder the vibtration motor to the + (red) and - (blue) on the motor controller.

Use a piece of double sided foam tape (or velcro tape) to affix the moto controller to the back of Flora, and plug in your battery.