"visual deception"

Magnets

£7.99

Square fridge magnetRetro camera

By Fereno and Fitch

£7.99

Square fridge magnetOptical Illusion Spiral Pattern in Black and White

By UMF - Two Faces Frog

£7.99

Square fridge magnetoptical illusion 17

By Sanjara

£7.99

Square fridge magnetIllusion Barcode Text Art

By schenkart

£7.99

Square fridge magnetVertebra

By Sanjara