Patent ID: 8037649

Claim:
A portable step assembly comprising: first and second sidewalls each having a plurality of openings, a shoulder is formed at a first end of each of the plurality of openings and a recess is formed at a second end of each of the plurality of openings; at least one tread having pegs formed on opposite sides thereof in complementary positions to a first set of the openings in each of the sidewalls; at least one riser having pegs formed on opposite sides thereof in complementary positions to a second set of the openings in each of the sidewalls, the pegs of the at least one tread and the at least one riser are removably insertable into the corresponding one of the first and second sets of openings such that the step has the ability to be assembled and disassembled repeatedly, the pegs each include an enlarged cylindrical shoulder portion adjacent to a base of the at least one tread or the at least one riser, a cylindrical intermediate section, an enlarged end portion and at least one radially protruding tab positioned on the enlarged end portion having a diameter greater than the cylindrical intermediate section.