Consider the jump rope as a low-tech, low-maintenance way to get in some cardio.

Comes in two lengths:

• 9-foot length for those under 6' tall
• 10-foot length for those 6' tall or over

No. 1381 (.5 lb.) $24.95

Measure your waist and hips if you're interested in your health, and measure your arms constantly if you're inclined toward bodybuilding.

No. 1420 (.25 lb.) $2.85