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Amazon.com: TickiT - 9322 Sensory Reflective Balls - Set of 4 - Mirrored Spheres for Babies and Toddlers - Stainless Steel Sensory Balls for Reflections and Color - For Stylish Nurseries and Bedrooms: Industrial & Scientific
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David Novick on Twitter: "A *four*-color confetti illusion with spheres, which appear to be yellow, orange, light-green, and light-violet. In fact, all have exactly the same base color (RGB 236,255,131). Shrinking the
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