a creeper cum work seat has two end platforms in sliding attachment to slide rods in slideways with which the two end platforms can be slid apart to opposite ends of a central platform to form a full - length creeper in creeper mode . the central platform becomes a work seat and the two end portions become a shelf platform under the work seat when the two end platforms are slid edge - to - edge in a seat mode . seat - support members are attached pivotally to the central platform and to the two end platforms to support the central platform as a seat in a seat mode and to position the central portion between the two end platforms in a creeper mode .