In what ways do you use lightboxes on toddlers

In what ways do you use lightboxes on toddlers

And what material you use. Need tips and inspiration. Feel free to share pictures if you have. (Pictured here is borrowed from the grid attention)

Related categories

More plings about senses

Play with senses 

Good to have a separate 1-year-old

Snowman

See also these pling categories: