Stanlo steel construction toy set manufactured by Stanlo, New Britain, Connecticut, featuring original cardboard box, assorted colored steel parts, rods, wheels, and hardware. Set includes illustrated instruction book marked '100 Toys in One' and additional printed materials. Components display various finishes in yellow, red, and green.
Some signs of use and wear are visible on the parts and box. Contents appear to include a mix of plates, rods, and wheels, but completeness of original set is not confirmed. See photos for measurements if taken.