The propellers of this model look solid and well-constructed to offer the stability and agility. It also comes with an extra spare set if a sudden crash or damage to the device. On the backside of the Toyhouse X12 Nano Quadcopter, there is an on/off switch and a port for USB charging cable. On the top of the quadcopter, there are four built-in LED lights � In front, there are two LED lights, and two red ones on the backside. The front of this model has a large clear white built-in LED light which is very bright. This allow for a super night flight or even help you in adjusting the flight orientation according to your need. This Quadcopter has a solid, compact and user-friendly design. The Toyhouse X12 is definitely a small quadcopter, meaning that this model is nano in size. It measures only 45mm x 45mm. It weighs around 13 grams. The rubber feat on the bottom of the frame allows to suck the shock of landing, thus increasing the lifespan of the product further.