Using the Mini BarbieLand Colour Reveal dolls is super easy. First, open the small tube and take out the mini doll which is covered in a colorful coating. Then, use water as directed to see the doll's real look. Each 1.5 - inch doll can bend at the waist and stands on a heart - shaped base. You can fit this base into Mini BarbieLand playsets (you need to buy the playsets separately). When you're not playing with the doll, you can store it in the mini packaging tube. Note that each doll is sold separately, and the availability might change. Also, the colours and decorations on the dolls may vary. To keep the dolls in good condition, just make sure to dry them well after using water and store them in a clean place.