Items similar to Original Penguin Coasters (listing is for SET OF TWO coasters) on Etsy
Unicorns by Edvind Medvind
A perler bead camera. Its double sided, it has got two layers of beads: the front layer and the back layer. They are fixed together.
Hama perler bead coasters by Sara Seir - a beautiful use of a simple child's craft.