A piece in Us Weekly reports:
The stars are teaming up for the Johnson's Celebrity Hand Me Down Auction, which benefits the March of Dimes, Save the Children, Zero to Three and Baby Buggy, among other charities.
Other items up for bidding are Julianne Moore's daughter's highchair and Mariska Hargitay's son's tracksuit.
To see when the auction begins, read more.
The auction runs from April 29 to May 9.
Which kid-friendly celeb item would have you emptying your pockets?