Luminous: Sun, flashlight, Christmas Tree lights, glowstick, dinoflagellates (plankton), stars, whiteboard projector, neon sign, led night light, Light Bright toy easel, Non-Luminous: moon, potato, Light Bright toy pegs, mirror, sunny window, planets, bicycle reflector, highway lines, neon clothing, whiteboard,

Luminous or Non-Luminous? Group Sort

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