- $39.25Perception of weld defects in digital X radiography imagesAmazon
- $77.99Charming Perception Painting Print on Wrapped Canvas PTM Images Size: 8" H x 20" W x 1.5" DWayfair
- $7.19Hidden Images-Games of Perception : Anamorphic Art Illusion by Fred LeemanBetter World Books
- $148.363D Perception Action M25 Original Philips Projector Lamp - Long Life 2000+ hrs - Brighter Image - Easy Installation - 6mo WarrantyNewegg
- $10.95GOWENIC Schumann Wave Generator, 7.83HZ Ultra Low Frequency Pulse Generator, Audio Resonator for Aid Sleep Improves Body Perception of Sounds and ImagesAmazon