Samuel Leeds Allen, the inventor of the Flexible Flyer sled,, he established the S. L. Allen Co. to manufacture farm equipment, In order to diversify his product line. Allen, himself a 'coasting' enthusiast since boyhood, set about inventing a sled; the Flexible Flyer sled that many of you grew up with as children. As a further diversification, S. L. Allen Company made wooden skis, especially during World War II. Size 2 1/4 x 3 1/4 inches.