Goodies: accessibility for small, stops by itself, is easily stopped by the child (by pressing the button or by putting your hand in front), sounds, rolls with or without rail. The Duplo toys are also treated as Lego, quality of which there is nothing wrong. Same Strength (small hands assemble and dismantle, and sometimes let go of the pieces that perfectly resist time).
Cons: Circuit too restricted. If the game pleases your child, it will quickly turn round mini or mini oval possible with the rails provided. The supplements are quickly requested (from the day of opening the package by my 3 year old son who asked "where were the other rails for all tours offered by the memorandum) Other negative report which reveals with time.: incompatibility Duplo / Lego ... For a bit of trains and buildings, must ultimately consider buy everything in the Lego range.