#14: Pipe Vault - Frog Coin
Another hidden Treasure Box hovers two block beyond the first one. To get the Frog Coin below, press Right and hold the Y Button to run, then press down the slide.
#15: Yo'ster Isle - Frog Coin
After emerging from Pip Vault, save your game. The Treasure Box floats slightly to the left of the Save Box. Now head south for some fun and games on the island of the music loving dinosaurs.
#16: Booster Pass - Flower
Who would image that a lovely flower could grow in the parched Booster Pass? In the very first section, stand on the plant over the cave entrance and jump to reveal the Treasure Box.
#17: Booster Pass - Rock Candy
There are two exits from the first section, on through a cavern and the other over the hill. Just to the right of the above-ground exit, jump to reveal this Treasure Box. Rock Candy wreaks major havoc on every enemy on the battle field.
#18: Booster Tower - Frog Coin
Evade the Snifits while climbing the first flight of stairs. A Treasure Box floats over the landing. Simply stand on the dark square and jump. If you want to get out of this room without fighting, stick to the back wall and jump over the marching Snifits.
#19: Booster Tower - Frog Coin
It takes a sharp eye to puzzle your way through the giant optical illusion that is Booster Tower. After the Thwomp see-saws you to the stairwell with the parachuting Spookums, go to the far left corner to find this Treasure Box.
#20: Booster Tower - Goodie Bag
At the top of Booster Tower you'll find yourself in a room with giant ledges projecting from the wall and a Save Block. Climb the ledges until you can hop on the top of a visible Treasure Box, then jump again to reveal the hidden one.
#21: Booster Tower - Mushroom
Just before leaving the room with the hidden Treasure Box floating over a visible one, take a quick jog to Mario's right and jump to reveal another Treasure Box. It's far better to sell that Goodie Bag you just snared than to hoard it.
#22: Marrymore - Frog Coin
Spend the night in the regular room in the Marrymore Inn. When you wake up, climb the bookshelf and jump to make the hidden Treasure Box appear.
#23: Sunken Ship - Flower
After defeating King Calamari, Mario will enter an eerie room where he comes moustache-to-moustache with his ghostly alter ego. The real Mario will have to jump on top of mirror Mario, then jump to reveal this Treasure Box.
#24: Land's End - Flower
Reach the pendulating platform by firing yourself out of the first pot cannon you reach. Stand on the far corner of the platform and leap away when the platform reaches its high point.
#25: Land's End - Flower
In the second stage, stand between the cannon and the plateau and jump to activate a hidden platform. Crawl back into the cannon and shoot onto the platform. Once you've landed, leap up to reveal the Treasure Box.
#26: Land's End - Frog Coin
Just before you reach the Sky Bridge, jump between the two stationary purple flowers to reveal the Treasure Box. Just don't get a bee in your bonnet about the trouble makers swarming around this area, O.K.?
#27: Land's End - Frog Coin
Hop into the cave beneath the Sky Bridge and follow the secret passage to Kero Sewers. In the first section, go to the corner in the back. Elude the Chow and leap to reveal the Treasure Box.