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These replacement glasses provide a convenient solution for extending the use of 3D pop-up books in educational or recreational settings.
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Polarized Glasses -3D
Polarized Glasses for Children -3D
Ishihara Test Chart Book for Color Blindness - 24 Plate
PASS 3 Smile Test
Small Hand-Held Occluder
Reading Overlays
Stereo Acuity Test with Geometric Shapes - Butterfly
Occlud-A Measure Occluder
Red/Green Glasses
Single Pinhole Occluder
Physiological-Diplopia Cord™ 10' (Brock String)
Projector Slides