I just introduced my young chicks to a squiggly wriggly worm for the first time and boy did they love it, but I think I found it more fun to watch than they loved chasing it. I hid the worms in their bedding and the minute I put them back in the pen they were scratching and pecking trying to find the worms....its as if they knew I had put them in there. The second one of them found a worm he ran round and round in circles trying to hide it from the others while the others chased him round and round the pen trying to snatch it off him. Absolutely hilarious!!!