73511221
Nov 29, 1984
May 13, 1986
EQUIPMENT SOLD AS A UNIT FOR PLAYING AN EDUCATIONAL TOY BUILDING GAME COMPRISING A SET OF ELONGATED BLOCKS OF SQUARE CROSS-SECTION AND OF INCREASING LENGTH AND HAVING PERFORATIONS FOR INTER-CONNECTING BY RODS TO HELP CHILDREN LEARN BASIC MATHEMATICS AND THE METRIC SYSTEM
Toys and Sporting Goods