This is my area of expertise.:) I will up load and daily update the children's item on your online store at ebay and Amazon. I have over 9 years working on Amazon, ebay, shopify, etsy, aliexpress and various other platforms and in multiple different capacities from creating and managing a product listing to even managing their ppc on Amazon.
Since, you mentioned that this is the first phase of multi channel strategy for your children's store, will you be working with dropshipping too?
Definitely, message me an we can discuss the specifics.