Fun, Get-Fit Gear

Put some excitement in your workout with these new fitness accessories.

Too hot for a run? Stay inside with cool gadgets.Be a kid! Jumping rope scorches serious calories, unless you constantly trip on the rope. JumpSnap eliminates the problem—and the rope. The device even has a sound effect to mimic the whip of rope on the floor ($60; jumpsnap.com).

Lift. Bored by dumbbells? Try a kettlebell. The odd-looking weight transforms a workout. GoFit/Iron Core’s kettlebell comes in 10- to 45-pound sizes, with a DVD on the basics (starting at $30; gofit.net).

Find balance. Jump on the rounded blue side of a BOSU Balance Trainer (it stands for “both sides up”) or lie on it for crunches. Put your hands on the black side for push-ups; wobble on it to strengthen your core. ($100; bosufitness.com).