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From light sabers to kryptonite, Krypton’s unique green spectra have inspired many pop culture and sci-fi favorites, including our own Krypton Thinking Putty! White by day, this putty glows the signature green in the dark.
C$21.99
Up Close Science: Eyedroppers & Spot Plates Activity Kit
C$18.99
Up Close Science: Magnifying Glass & Tweezers Activity Kit
C$21.99
