Level 95
This may not be the best method around, but it works at least. Stack two boxes and the sloped triangle on the right hand side to send the entry ball towards the left. Have another box down there, with the T-bar resting on it, pointing its base through the gap directly onto the eyeball. Use the S-bar on top of the yellow pipe to stop the ball going too far left.
Alternative solution
Seth also sent in this better solution:
