This portable 8x monocular scope is under $8 in our shop, where you'll find lots more science-y gifts. https://store.boingboing.net/sales/8x-dual-focus-monocular … https://store.boingboing.net/sales/8x-dual-focus-monocular …pic.twitter.com/qtx9BPTfGm
4:03 AM - 5 Dec 2017
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