Fill with colored beads, dried beans, or even water to add weight. Vary levels and contents for desired heaviness, then work those triceps and biceps.
From Catherine Holecko, About.com
12 Rainy Day ActivitiesJust Add Water: 8 Wet Ways to PlaySkill-Building Activities for Preschoolers
Create a Family Fitness ChallengeMake Fitness More Fun: 10 Top TipsThe Bonding Benefits of Family Fitness
©2009 About.com, a part of The New York Times Company.
All rights reserved.