then this electrospheric device should suit your needs quite nicely.
It features a warmly glowing dial, handy control knobs, and it
leaks very little radiation whatsoever (you'll hardly even feel it).
This paper model measures 10 inches in length, stands 6.5 inches tall,
and is sturdy enough to actually play with! Display stand included.
ELECTROSPHERIC RAY GUN
Ray Gun Assembly Instructions
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