it does work actually …
but it is so yesterday, now they are working on a “tankcopter”
found some little info on their website
https://bgobeyond.com
B-Car is a 1100 g model dedicated do RC hobby users, it has brushless motors, can reach speed of 30 km/h on the ground and 60 km/h in flight
B-Unstoppable is a 90 g model, dedicated to Toy market, based on coreless dc motors. It can reach speed of 10-15 km/h on the ground and about 20 km/h in the air