Chillafish BOXTOP. Top off your BOX with a BOXTOP. Chillafish BOX is the first modular, connectable toy storage and play system in the market. The BOXTOP pack completes your BOX, creating a connectable and flat surface on top of your BOX configuration. Create a play table or mini-desk, or just put flowers on your BOX storage system. Each BOXTOP PACK contains 1 BOXTOP and 2 CONNECTORS.