DJSPOWER via Amazon offers the UDI RC 6-Axis Drone with HD Camera for $69.99. Coupon code "J98I2HHG" cuts it to $39.89. With free shipping, that's the lowest price we could find by $40. This kids' drone features a 8-minute maximum flying time, 3D flip and gravity mode, extra battery, and smartphone control. Deal ends July 30.