Today, when you order "Refill for Insta Square by Martin Lewis", 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.
1. TIES: The Invisi..
$5 FLAT-RATE SHIPPING TO UNITED STATES. FREE SHIPPING ON ORDERS OVER $100.| Price: | $20.00 |
50 more refills for your Insta-Square
You show a blank grid, drawn on your pocket notepad, and ask someone to call out a number. A wave of a pen and the grid visibly fills with random numbers. You then tear off the sheet, sign and date it, and give it to the stunned spectator, showing them sixteen different ways the Magic Square adds up to their chosen number. A memorable magic souvenir.
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