Update: Back in stock, now for $128.

If you can’t be bothered to schlep to the gym during the winter, you can still keep in shape at home with this cleverly designed PowerBlock dumbbell set. Each dumbbell adjusts from 3 to 24 pounds in 3-pound increments with just the flick of a selector pin, so it’s basically like a complete weight rack that could almost fit into a shoebox.

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Today’s $128 price tag is about $30 less than usual, so you can really flex those savings muscles.