This Scientific Magnetic Thinking Putty is not only a great stress reliever and fun to play with, it has magnetic properties so you can even stick it up on your refrigerator. One pack normally costs $25, but Kotaku readers can pick one up today for just $10 or a two pack for $15.

This putty has the same classic viscoelasticity so you can mold, stretch, and break it into pieces, but is infused with iron to give it its magnetic properties. It’s a stress reliever and household item all in one, and you can get it now for over half off - $10 for a single, or $15 for a two-pack.

Save Up To 60% On This Magnetic Space Putty ($10)

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