my credit card is out, where can I buy this stuff? shutupandtakemymoney.jpg

edit: this one seems to be a larger container than some of the cheaper ones.

https://www.amazon.com/Crazy-Aarons-Thinking-Putty-Attractor/dp/B001BS3FHU/ref=sr_1_4?s=toys-and-games&ie=UTF8&qid=1486768618&sr=1-4&keywords=magnetic+putty