FIG. 1 is a perspective view of a tractor toy set;
FIG. 2 is a perspective view of a first piece thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a left side elevation view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a top plan view thereof;
FIG. 9 is a perspective view of a first portion of the first piece;
FIG. 10 is a front elevation view thereof;
FIG. 11 is a rear elevation view thereof;
FIG. 12 is a right side elevation view thereof;
FIG. 13 is a left side elevation view thereof;
FIG. 14 is a bottom plan view thereof;
FIG. 15 is a top plan view thereof;
FIG. 16 is a perspective view of a second portion of the first piece;
FIG. 17 is a front elevation view thereof;
FIG. 18 is a rear elevation view thereof;
FIG. 19 is a right side elevation view thereof;
FIG. 20 is a left side elevation view thereof;
FIG. 21 is a bottom plan view thereof;
FIG. 22 is a top plan view thereof;
FIG. 23 is a perspective view of a third portion of the first piece;
FIG. 24 is a front elevation view thereof;
FIG. 25 is a rear elevation view thereof;
FIG. 26 is a right side elevation view thereof;
FIG. 27 is a left side elevation view thereof;
FIG. 28 is a bottom plan view thereof;
FIG. 29 is a top plan view thereof;
FIG. 30 is a perspective view of a fourth portion of the first piece;
FIG. 31 is a front elevation view thereof;
FIG. 32 is a rear elevation view thereof;
FIG. 33 is a right side elevation view thereof;
FIG. 34 is a left side elevation view thereof;
FIG. 35 is a bottom plan view thereof;
FIG. 36 is a top plan view thereof;
FIG. 37 is a perspective view of a fifth portion of the first piece;
FIG. 38 is a front elevation view thereof;
FIG. 39 is a rear elevation view thereof;
FIG. 40 is a right side elevation view thereof;
FIG. 41 is a left side elevation view thereof;
FIG. 42 is a bottom plan view thereof;
FIG. 43 is a top plan view thereof;
FIG. 44 is a perspective view of a second piece of the tractor toy set;
FIG. 45 is a front elevation view thereof;
FIG. 46 is a rear elevation view thereof;
FIG. 47 is a right side elevation view thereof;
FIG. 48 is a left side elevation view thereof;
FIG. 49 is a bottom plan view thereof;
FIG. 50 is a top plan view thereof;
FIG. 51 is a perspective view of a third piece of the tractor toy set;
FIG. 52 is a perspective view of a first portion thereof;
FIG. 53 is a front elevation view thereof;
FIG. 54 is a rear elevation view thereof;
FIG. 55 is a right side elevation view thereof;
FIG. 56 is a left side elevation view thereof;
FIG. 57 is a bottom plan view thereof;
FIG. 58 is a top plan view thereof;
FIG. 59 is a perspective view of a second portion of the third piece;
FIG. 60 is a front elevation view thereof;
FIG. 61 is a rear elevation view thereof;
FIG. 62 is a right side elevation view thereof;
FIG. 63 is a left side elevation view thereof;
FIG. 64 is a bottom plan view thereof;
FIG. 65 is a top plan view thereof;
FIG. 66 is a perspective view of a third portion of the third piece;
FIG. 67 is a front elevation view thereof;
FIG. 68 is a rear elevation view thereof;
FIG. 69 is a right side elevation view thereof;
FIG. 70 is a left side elevation view thereof;
FIG. 71 is a bottom plan view thereof;
FIG. 72 is a top plan view thereof;
FIG. 73 is a perspective view of a fourth piece of the tractor toy set;
FIG. 74 is a front elevation view thereof;
FIG. 75 is a rear elevation view thereof;
FIG. 76 is a right side elevation view thereof;
FIG. 77 is a left side elevation view thereof;
FIG. 78 is a bottom plan view thereof;
FIG. 79 is a top plan view thereof;
FIG. 80 is a perspective view of a fifth piece of the tractor toy set;
FIG. 81 is a front elevation view thereof;
FIG. 82 is a rear elevation view thereof;
FIG. 83 is a right side elevation view thereof;
FIG. 84 is a left side elevation view thereof;
FIG. 85 is a bottom plan view thereof;
FIG. 86 is a top plan view thereof;
FIG. 87 is a perspective view of a sixth piece of the tractor toy set;
FIG. 88 is a front elevation view thereof;
FIG. 89 is a rear elevation view thereof;
FIG. 90 is a right side elevation view thereof;
FIG. 91 is a left side elevation view thereof;
FIG. 92 is a bottom plan view thereof; and,
FIG. 93 is a top plan view thereof.
The broken lines illustrate unclaimed potions of the tractor toy set that form no part of the claimed design.