Dinsoaur Diorama craft - including free printables and steps. Also could do as simple colouring-in or as puppets on paddle pop sticks. You could make an amazing card for that dinosaur addict in your life.
DIY Paper Clay Barnacles - by Design Sponge - Tutorial - Very easy to make and looks really cool when done. Going to have to take this idea and use it to do make some other things I've been thinking about.