And a quick battery test did not provide any power, but the battery compartment is very clean - never any corrosion. It's about 9.5" long and 5" tall when closed. The colos are all still bright, and the plastic nose cone and windows are fully intact. Horikawa was one of the most popular manufacturers of battery operated Japanese toys, founded in 1969.
This space capsule was most likely made in the mid-1960's, and it has the triangle SH logo on the back. Feel free to message me with any questions.