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The Glass Bubble Necklace by Yumiko Yoshimoto has an iridescent finish on the glass beads, so that they look like soap bubbles. Available from the MOMA store.
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A classic — the Bubble chair by Eero Aarnio, designed to provide an oasis of quiet in a noisy environment.
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From Conran USA, the Bubble lamp, created from a single piece of hand-blown glass.