Super Mario 3D Land: S2-4

It's a snowy level. We get a Propeller Block. The first Star Coin's on the left edge of the blue wall. The second Star Coin is near the tall stack of Goombas. Go forward to reach a higher snowy patch and use the Propeller Block from there to get it. We get a 1-up from Red Coins and reach the midpoint. In the next area, to get around the wooden walls, drop down, then use the Propeller Block to reach the wall, then wall jump up. Up on the wall are a bunch of 1-up cutouts and a real 1-up. The third Star Coin is behind the dropping platforms. We jump to the the gap in the wall to the flagpole, where I got a 1up.