'The use of steel girders in construction inspired A.C. Gilbert to invent this classic toy'
an erector set
THE LIGHTER SIDE OF LIFE: The use of steel girders in construction inspired A.C. Gilbert to invent this classic toy
The use of steel girders in construction inspired A.C. Gilbert to invent this classic toy
The use of steel girders in construction inspired A.C. Gilbert to invent this classic toy
THE LIGHTER SIDE OF LIFE
an erector set
THE LIGHTER SIDE OF LIFE