"I don't think that the negative reviewers really gave this set a chance. With the high level of quality control, LEGO wouldn't have put out a product like this that doesn't work!
It takes a little experimentation and practice, but we were able to get the helicopters to fly 30+ feet. It is a whole body motion and you need to get the timing right with the pull and the throw.
My 5 year old son and I love this set. Yes, the helicopters have no parts that are compatible with other LEGO parts, but this was necessary because the helicopters can't fly with extra weight. The LEGO quality is there and your able to put any minifig in the cockpit. Not sure what else you could ask for. It is also very easy for a younger child to assemble.
Additionally, the plane that comes with the set is a wonderful model on its own. The box makes it look like the highlights are red, but they are actually the more rare coral color. This hot pink color makes an awesome color scheme with the blue.
We had a lot of fun placing the plane in front of a fan and watching the propeller spin. You can also place the helicopters on top of an upward facing fan like an air purifier and the propellers will spin on their own. This makes a very nice display.
I don't normally do reviews, but I felt like I needed give my perspective and I can't say enough good things about this set. Having all the extra play value is great! It's educational and you can get exercise playing with it! This set has it all!"