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Deformable photoelastic device
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Cellophane cut out kits for optical art
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Optical art kits and puppets with origami cellophane, adhesive tape, photoelastic models, polariscopes, knitting, and diffraction films
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Deformable photoelastic device
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Polariscope toy and ornament with accompanying photoelastic and/or photoplastic devices
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Polariscope toy and ornament with accompanying photoelastic and/or photoplastic devices
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Disposable combined squeezer/stirrer/dispenser/brewer device
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Deformable Photoelastic Device
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