Glow-In-the-Dark Plastic Icicle Christmas Ornaments
Vintage circa 1950s/60s - They're just under 7.5" long
Most have the hook to hang by; 2 require an ornament hanger.
There is one not included in the count - it requires a hanger but tip is broken (see last photo).
The broken one isn't included in the count but will included with the others.

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