"visual deception"

Magnets

£7.99

Round fridge magnetRetro camera

By Fereno and Fitch

£7.99

Round fridge magnetoptical illusion 17

By Sanjara

£7.99

Round fridge magnetVertebra

By Sanjara

£7.99

Square fridge magnetOptical Illusion Spiral Pattern in Black and White

By UMF - Two Faces Frog

£7.99

Round fridge magnetIllusion Barcode Text Art

By schenkart