trains [Brio - 33240 - Steam Locomotive - Sound and light], [Brio - 33417 - Shinkansen], [Brio - 33691 - Coal Wagon] and other wagons, stations [Brio - 33680 - crossing station speaking], tunnels [ Brio - 33553 - Mountain Tunnel] and bridge [Brio - 33683 - Double suspension bridge] are easy to use for children from 3 1/2 years and very much fun at this age the intervention of adults [Brio - 33402 - Enclosure evolution Intermediaries - 16 pieces] and other rail is needed for the construction of the different circuit options. Excellent wood quality. The child plays in telling stories. The magnet system to hook the cars is a good learning poles that attract or reject. The Shikansen is reminiscent of the TGV, which reinforces the child's interest. I do not regret buying this set, which was built is a beautiful object. Disadvantage: the price but that is related to quality. This comment applies to all elements of this circuit trains