extended beyond the upper end of the inclined surface 28 then the infant might be injured by this headlong movement into the wall because the front pair of legs 36 extend forwardly the forward motion of the infant crawler 10 is halted at a distance sufficiently far from the wall that the infant cannot contact his head to the wall similarly the inclination outwardly and rearwardly also prevents impact against large immovable objects a bumper means may also be provided in the infant crawler 10 to protect the infant from additional types of impact injuries as an example and referring to fig3 a post or piece of furniture might be of sufficiently small dimension that the infant could propel the infant crawler 10 against the object without ever touching either of the front pair of legs 36 in the circumstances previously described the infant 39 s head could then conceivably be injured by impact against the object to minimize the possibility of such injury the bumper means extends the safety zone to include objects having sufficiently small dimensions to pass between the legs 36 and 38 of the infant crawler 10 preferably the bumper means is a bumper line 40 which extends between the two legs of the front pair of legs 36 the two legs of the back pair of legs 38 and between the adjacent one of the front pair of legs 36 and back pair of legs 38 on each side of the infant crawler 10 that is the bumper line 40 extends completely around the perimeter defined by the outermost extent of the four legs of the infant crawler 10 the bumper line 40 is preferably made of string or rope but could be made of wire or a rigid.