Abstract: A multi-purpose device which can be easily converted from a compact case to a carrying cart and to a table. The carrying cart and the table have triangular support systems which enable the devices to be highly stable and carry increased loads. A roller forming part of the device has three narrow areas for low rolling friction over hard surfaces with wider concave-shaped or escalloped areas between the narrow areas to preclude excessive sinking on soft surfaces (e.g., beaches, dirt parking lots, grassy areas, snow etc). The device includes carrying space and a frame, which is used in the table arrangement, for attaching a trashbag liner to hold trash during and after the conclusion of a picnic, a day at the beach, etc.