Nylint #2900 Jr. Jack Hammer Drill Definitely a departure from the mainstream line of Nylint construction toys, the Jr. Jack Hammer Drill did not represent a new direction for Nylint. No other toys like it were ever produced. It was a clever idea, however, in that it incorporated the shipping carton as part of the toy! The Jr. Jack Hammer was offered for only two years, 1958 and 1959. No variations are known.
To the delight of the operator and to the dismay of his mother, this toy made an awful racket.
Look closely and you can see that the carton is actually a representation of an air compressor!
The retail price was $3.98. This one got marked down to $2.80.
This was the "radiator" end of the compressor. The hole for attaching the hose is at top.