on purchases of $34.99 or more and
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Bear in mind that the jumper/booster cables are not very powerful - something I was ignorant of before purchasing. So you get what you pay for. There's a bit of everything in the kit, so overall it's handy, yet the biggest-ticket item (the cables) may not do much in a real emergency.
My husband was ecstatic about it! It was very easy to put together and took about 7 minutes. One downside was that the instructions were a little difficult to understand (it was basically just pictures but no instructions).