-Adjustable Weights - Our kids weight set is designed to belled with water or sand, allowing you to customize the dumbbells according to your child's needs and tness level. -Strength for Life - Encourage your kids to embrace tness from an early age with these cute and colorful dumbbells. Let them join you in your workout routine for a fun and healthy bonding activity. -Great for Little Ones - These dumbbells are the perfect size for toddlers, with smooth edges and non-toxic plastic grips that are designed for small hands. Use them as fake weights or ll them up. -Durable and Safe - Our non-toxic plastic dumbbells are durable enough to withstand the most energetic of kids. Their contoured design and smooth edges provide a safe and comfortable workout.WONDERFUL