Today, when you order "Incredible Traffic Light", you'll instantly be emailed a Penguin Magic gift certificate. You can spend it on anything you like at Penguin, just like cash. Just complete your order as normal, and within seconds you'll get an email with your gift certificate.
This trick is great for beginners almost self working. Don't let the kid aspect fool you. Older
spectators will forgive the basic prop for a creative and funny presentation. It will allow
beginners to practice presentation. I still carry this in my pocket for younger participants.