 Bratz Kidz in special collections, like Horseback Fun and Sleepover Adventure, will usually sell for around $14.99 each.The Sisterz set of Babyz Kiani and Kidz Lilani and babyz Zama and kidz Sasha is sold for around $19.99.Bratz Kidz playsets, which sometimes come with one Bratz Kidz doll, retail for anywhere from $30–50, depending on what features and accessories are included.