Right now at Walmart, you can get this Sky Rider Thunderbird Quadcopter Drone for only $19.97 after a price drop from $39.99. You save 50% off the retail price for this drone. Add extra for shipping. This is the lowest price we could find online for this drone. We’ve seen this as low as $22.99 within the last few months. The Sky Rider Thunderbird Quadcopter Drone features a 6-axis gyroscope, 3 speeds, Wi-Fi camera, 2.4GHz remote control, and control distance up to 328 feet. Sales tax is charged in most states. Deal may expire soon.