Waiter's Tray

Can you move the bottles in such a way that the waiter can remove his tray underneath? You will need to move the bottles up and down to gradually slide out the tray. Bottles may need to be moved more than once and are sometimes locked till you move the balls holding them in place.

Part of the Constantin Puzzles series.  Jean Claude Constantin is unquestionably one of the most prolific puzzle inventors of the past 30 years.  His unique and diverse puzzle creations are renowned for their beautiful designs and challenging solutions.