As issues are reported with the models in this book, I will post solutions and corrections here.

Frog—Page 14.(PDF) The legs are actually attached one hole lower. (This one slipped past the author, the editor and five testers.)

Komodo Dragon Tail.(PDF) Some of you have found that your dragon's tail isn't swinging back and forth correctly, leaving your robot a bit twisted---Not good! Here is a fix that seems to work no matter what the condition of your pins, the charge of your battery or the consistency of your motors.

Sloth Head (PDF) Page 74 showed extra parts, so here's the head re-done. Sorry for the confusion.