The boys beat Scotland 34-7 in Cardiff in their first game of the competition.
Wales top the Six Nations table this morning after a huge opening game against Scotland.
Despite worries over a long injury list, the boys beat the Scots 34-7 at Cardiff's Principality Stadium.
Two tries from Leigh Halfpenny and touchdowns from Gareth Davies and Steff Evans turned Scotland's Six Nations ambitions upside down.
Wales were accurate and efficient, delivering an accomplished team performance that made a mockery of the absence of a host of front-liners, and the outstanding Shingler was singled out for man-of-the-match honours.
Man of the Match Aaron Shingler said: "That was a massive performance.
"It was one of great character, especially in defence and a great start."
Wales' inspirational captain Alun Wyn Jones - who was denied a try in the second-half after being held up on the line - credited Wales performance.
"Give credit to Scotland that was a performance borne out of respect for them," said Jones.
"I am particularly pleased that our guys winning either their first caps, or only with a handful, took their chances."
The win has given Wales a huge boost ahead of their home clash with champions England next weekend.
But it was a salutary experience for the Scots who had entered the tournament with hopes of a first Six Nations title after thrashing Australia and running New Zealand close in the autumn.
Trying to make sense of the poor showing, Scotland captain John Barclay said: "I am speechless. There were a lot of errors. In November we played with a lot of accuracy and tempo. Today there was tempo but not accuracy.
"We missed too many tackles, we knew Wales would be dangerous but our lineout didn't function at all... not a great recipe to win a Test match.
"It is hard to find positives, Wales were superior today and we have a lot of work to do."
Sky News (c) Sky News 2018: Aaron Shingler hails 'massive performance' as Wales beat Scotland in Six Nations