I'm on a Kid's Summer Camp this week!
Each day we have a different theme - Dinosaurs, Pirates, Medieval and Under the Sea - and needed a little costume item to make the games fun each day. Most days it was easy to find something because I already had a suitable costume, but Dinosaur day was a problem.
A Google search started and I found an idea that I could modify, so thank you Ginger & George for the inspiration!
I started out with a plain green t-shirt (conveniently already in my wardrobe).
Then I added 10 felt diamonds.
A needle and thread connected things together, and this is the result: