Kids who love playing with LEGOs will love setting these into flight. The kit from Flybrix, which isn't affiliated with LEGO, is compatible with the hundreds or thousands of snap-together toys already at home.
A basic kit starts at $149 and comes with propellers, motors, custom bricks, a pre-programmed Arduino-compatible flight control circuit board and necessary cables.
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For an extra $40, you can get the deluxe, which comes with an RC controller. But you might not need the controller, since you can download the Flybrix iOS app and use a phone or iPad touchscreen to do the job.
The best part of building and flying this drone might be crashing it. It's made to break apart into a bunch of pieces and then put right back together again. Watch the video below to see all of the fun you could be having.