I bought a couple of these for the office, very good. They come with guards so you can bounce them off the wall and so far no damage Syma X12S Nano 6-Axis Gyro

I bought a couple of these for the office, very good. They come with guards so you can bounce them off the wall and so far no damage Syma X12S Nano 6-Axis Gyro 4CH RC Quadcopter with Protection Guard, Color White https://www.amazon.com/dp/B00VVP31DQ/ref=cm_sw_r_cp_awd_r7BKwbGCR7EE1 https://www.amazon.com/dp/B00VVP31DQ/ref=cm_sw_r_cp_awd_r7BK...