With 18 they make you visit the museum, see the ...

With 18 they make you visit the museum, see the field .... But if you want to take a free look at the field (through a glass) just go to the San Siro store. access only from entrance 14 and the shop observes the hours 10.00 - 17.30.
On match days: you can enter from any entrance of the Stadium and the shop remains open for about two hours before the event, one hour after the end of the game.
San Siro Museum, the first in Italy set up inside a stadium, tells the story of the two Milanese teams Inter and Milan, through a collection of unique memorabilia in the world: historic shirts, cups and trophies, shoes, art objects , memories of all kinds that have entered the legend of world football.
Supported by the specialized staff, you will be able to retrace the true itinerary of the players, going from the mixed zone to the locker rooms of both teams; then you will pass through the famous entrance tunnel to the field, at the bottom of which the most exciting and magical view of the "Scala del Calcio" will open. Once you leave the pitch you can relax in the stands, including the honor and enjoy a further view of the Stadium, accompanied by an engaging historical and structural description.