Can you use play dough to make your own worms. You can make them different sizes-longer and shorter or fatter and thinner. You could measure them with a ruler or if you don’t have a ruler use a non standard measure such as your cubes or pasta. Write down how long each of the worms is. Worm 2 is 5 cubes long.
There are lots of play dough recipes online. Here is one you could try: