Alan Heller's ErgoErgo stool takes over where the exercise ball left out. Students (or adults!) can work out their core while spending some of that excess energy by bouncing around on the perch's recyclable technopolymer. $100 at Dwell Store. Photo 8 of 10 in Holiday Gift Guide: For the Student by Kelsey Keith

Holiday Gift Guide: For the Student

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Alan Heller's ErgoErgo stool takes over where the exercise ball left out. Students (or adults!) can work out their core while spending some of that excess energy by bouncing around on the perch's recyclable technopolymer. $100 at Dwell Store.