Take your kids to the gym with this awesome adjustable dumbbell set! Play with it at home or anywhere you wish to take it. This dumbbell set can be filled with either water or sand. Not only is this toy barbell a fun way to introduce your child to proper exercise and weightlifting forms and routines, it also teaches them how muscles move and how the body works as they pretend to curl or lift. Features - Color: Assorted Color. - Material: Plastic. - Size: 36.00X18.00X18.00cm/14.15X7.07X7.07inch. - The plastic dumbbell is an exercise tool for children's hand, eye and arm coordination ability. - The dumbbell is made of material, with bright color, good toughness, not easily deform, the safety for kids. - Ergonomic handle design, suitable for kids, kindergarten, etc. With simple design, but very practical in use. - Dumbbell can be used not only as an exercise tool, but also as an entertainment toy for children. - Also can be a good gift choice for your children, they will like it very much. Package list: 1 set x dumbbell toy