The best so far in our Brio Lok-Lok collection! Best of all, the lock is very very very quiet. You can hardly hear them, compared to other engines of Brio. The only getting used to is that they are not switched on and off with a switch as previously accustomed. It is 2 times before pushed (number is determined by click) to turn on and 2 times pushed back to off. Changing the battery as usual with screw secured fold. So typical Brio quality.
