 Save big on back-to-school with Staples Hot Deals. Right now, 24-pack Crayola crayons and comp books are only 50 cents each at Staples. Spends 824 in-store only, limit 30. This radio commercial was made to convince you to stop speeding. We can't use siren sound effects on the radio, so we'll use other equally jarring sound effects to get your attention. Like telling you that whether you drive a little over the speed limit or a lot, you can crash just the same. You could hurt yourself or worse, others.