TYCOKIT No.7778 Hardware Shop contains 100-pieces molded in 6-colors. When built, the model's dimensions are 5" x 5-1/2". This kit was added to the group of TYCOKITS in the 1977 TYCO catalog. It originally carried a $4.50 retail price.

The Hardware Shop kit is featured in TYCO catalogs from 1977 and 1978 with the catalog number of 7778. In the 1979 TYCO catalog it is listed as "NEW" and is re-numbered 7790 with no apparent change to its contents or appearance. The kit returns one more time in 1980 carrying the 7790 number.