Collection consists of: 

Jumping Donatello (press him down on his left leg & he will side flip!)

Leonardo with detachable silver breastplate

Raphael with rocket powered roller skates (skates not pictured as found later!)) 

Michaelangelo - transforms from Ninja into turtle shell.

Motorbike - transforms into Hover mode. 

2003 Edition Submarine with skis & 2 shooting missiles