Speks 2.5mm Magnetic Balls | $31 | Speks | Promo code 30ROCK

It doesn’t matter how old you are, magnets are stupid fun. Speks 2.5mm Magnetic Balls make a terrific desk toy and right now, you can get them for 30% off. Each package comes with a thousand little balls that you can smush and form them into whatever geometric or asymmetrical thing you want.

And, honestly, the best part about this deal is the promo code. You ready? It’s 30ROCK. Magical. Such genius should be rewarded.

Note: Skip these if you have kids. I dunno what else to say here.