With the Travel Pocket Bop It you'll be able to test your reaction and co-ordination skills on the move. Simply pull the blue knob to wake up Bop It, then press the Bop It button to start the game.
This keyring-friendly contraption randomly commands you to Bop It, Twist It, Pull It and even Shout It. Yell out anything for Shout It and make sure you respond quickly and correctly to all the commands or you'll be out and have to start all over again. Batteries included.