I had seen the Magic Shop from a distance several times ." That's a good trick , ' I said , laughing , ' Isn't it ? ' said the shopman . Gip reached out to take the ball , but the shopman's hand was empty . ' It's in your pocket , ' said the shopman , and there it was ! ' How much will that be ? ' I asked . We don't charge for glass balls , ' said the shopman politely " We get them free .It had a window full of interesting objects - magic balls , packs of cards and all kinds of other things .I was very surprised I hadn't thought the shop was in Regent Street .I had thought it was round the corner in Oxford Street or even in Piccadilly .' He pointed to something called the Disappearing Egg .Gip silently put the four balls in his pocket , then took ho of my finger again .One day I was with my son , Gip .We were walking along Regent Street when we passed the shop .Gip took hold of my finger and pulled me up to the window .' He pointed to an object with a card beside it .The card said , ' Buy One and Astonish Your Friends .' He picked another ball out of his elbow he spoke , and another from the back of his neck .Gip looked at them .may ' You have those too , ' said the shopman , ' and here's another one .I had passed by it once or twice .But I'd never thought about going inside .But there it was right in front of us .' Look , Daddy , ' he said .' If I were rich , I'd buy myself that .' Or that .He laid them both on the counter .' He took another glass ball out of his mouth .