"I'm betting we will need a stronger magnet than you can get from a typical store probably. So will need to find this... geeky store you speak of." Max pause for a moment. "Perhaps we should head to the Science Department and see if they have any magnets in storage. If not then we can go look for the store... Wait can't you just Google to see if there's a store around here that sells magnets?" Max came to the conclusion as they left the library.

(( I'm sorry it's so small. I hope you have enough to go on. ))