John makes a rocket pack that is clogged with a cinder block, a flower pot, and a violin. 

http://mspaintadventures.com/?s=6&p=002525

Each of those items were in another kid’s introductory panel.

Cinder block: http://mspaintadventures.com/?s=6&p=002212

Violin: http://mspaintadventures.com/?s=6&p=002660

Flower pot: http://mspaintadventures.com/?s=6&p=002668

==> submitted by redjazzangel