Crazy Aaron’s Total Eclipse Thinking Putty is a 4-inch tin of dark-base putty that glows in the dark after exposure to ambient or direct light. The eclipse theme references the dramatic transition from dark base to glowing surface — particularly satisfying when stretched into thin strands.
Right putty for space-and-astronomy fans, sensory-rotation use, kids ages 5+, and adult fidget rotation for stress relief. The dark-to-glow effect makes it visually engaging beyond just tactile sensory benefits.
Crazy Aaron’s has been hand-mixing Thinking Putty in Norristown, Pennsylvania since 1998 — sensory, fidget, and stress-relief putty in over 200 colors and effects across the catalog. Every tin is poured, packed, and shipped from the same Pennsylvania workshop.






