Kevin Doyle, Paul McShane, Joey O'Brien, Shane Long, Andy Keogh, Daryl Murphy and Darren Potter are all starting to make a name for themselves on the international scene.
But the ex-Newcastle boss says they need two years to gain experience.
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That should bode well for the 2010 World Cup qualifying programme, providing the Republic can finish third in their current group to ensure a respectable draw for the tournament in South Africa.
Robson: "We've youngsters in the side, and they need two more years - not only international experience but the experience of playing in a higher league.
"We've players like Doyle, Long, McShane, Keogh, O'Brien, and (Stephen) Kelly - so there is a group of young players out there who need time.
"Maybe they are getting the maximum from their players, with good team morale and spirit, something we are trying to develop.
"We've achieved that to some degree. If you just look at our spirit on Saturday against Germany (in a goalless draw) our morale, determination and fitness levels were very good.
"Now we have to be consistent with those particular qualities. For some players it may take time, but I'm sure we'll get there."