Smash the crates on the roof to find a containing an antique item.
If you are looking for "free" advantages, you can enter these passwords at the password screen (L = Leonardo, M = Michelangelo, R = Raphael, D = Donatello, S = Shredder): D S R D M R M Infinite Shuriken R S R L R S M Mighty Turtle (Increased Power) L S D R R D R Super Offense Power S D L S R L L Super Defense Power L D R M R L M
Finish the stage with the item, then take it to ("2nd Time Around") for appraisal.
Smash the crates on the roof to find a containing an antique item.
If you are looking for "free" advantages, you can enter these passwords at the password screen (L = Leonardo, M = Michelangelo, R = Raphael, D = Donatello, S = Shredder): D S R D M R M Infinite Shuriken R S R L R S M Mighty Turtle (Increased Power) L S D R R D R Super Offense Power S D L S R L L Super Defense Power L D R M R L M
Finish the stage with the item, then take it to ("2nd Time Around") for appraisal.