Shelter constructed from interconnecting panels

A shelter comprising:

• a floor portion;
• at least one wall portion comprising a top wall portion, a bottom wall portion, or both the top wall portion and the bottom wall portion;
• and
• a roof portion;
• wherein each of the floor portion, the at least one wall portion, and the roof portion comprises at least two panels detachably interconnected using a female bracket element and a male bracket element configured for receiving the at least two panels and comprising cooperating means actuated by longitudinal movement for preventing separation of the female bracket element and the male bracket element and interconnecting the at least two panels;
• wherein each of the at least two panels comprises a first planar layer and a second planar layer, and the first planar layer is offset from the second planar layer;
• wherein the female bracket element or the male bracket element is disposed on the first planar layer;
• wherein each of the female bracket element and the male bracket element comprises an upper portion and parallel opposed side walls defining a channel for receiving an elongate side edge of a respective panel therein;
• wherein the cooperating means comprises a plurality of pin members positioned to extend outwardly from the upper portion of the male bracket element and keyholes defined by the upper portion of the female bracket element;
• and
• wherein each of the plurality of pin members comprises a head and neck, and each of the keyholes comprises an enlarged portion configured to allow insertion of the head therethrough, and an adjacent reduced portion projecting from a bottom of the enlarged portion and configured to allow insertion of the neck to hold the pin member in the keyhole and prevent removal therefrom.