Sizes vary widely by set. Heights typically range from about 6 inches up to the mid-30s of inches; widths generally run from about 9 inches to the mid-30s; and depths commonly fall between about 3 inches and 16–17 inches, depending on the model.
Common interactive features include elevators or moving swings, slides and pools, transformation elements (like fold-down beds or flip walls), and integrated lights and sound on some sets.
Most full-size Barbie houses are built to fit roughly 11–12 inch dolls, while mini playsets are scaled for much smaller dolls (around 1.5 inches).
Accessory counts vary a lot: small sets often include about 6–8 pieces, while large playsets can list 75–79 or more storytelling pieces.
Requirements vary by model. Some sets need adult assembly (often noting that no tools are required), while others arrive ready to play with no assembly needed—check the product listing for specifics.
It depends on the set: interactive playsets with lights or sound usually require batteries (several list 3 AA batteries), while many other sets have no electronic features and need no batteries.