I like this idea, but I think the "step" shelves need some more support. Garage shelving idea: the lower shelves actually glide out so you can step to reach top shelved items. Then they slide back to the wall.
When wash your baby's hair, water will not run to the baby's face. To prevent the shampoo & water touches the baby's face and eye, and pour in ear. Make the shampoo a funny experience for the kids. Adjustable bath hat for kids ,children,etc.
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