Xia-Xia crabs are cute little pets with interchangeable shells to collect. They love spending time in this cute house. It doubles as a carrying case, so you can take your Xia Xia crabs with you wherever you go. The house has 3 doors & 2 floors, with plenty of space to store your Xia-Xia shells. Theres even a fold-out balcony that they can hang out on. From the makers of Zhu Zhu pets, there are four Xia-Xia crabs to collect & 12 different shell designs (sold separately). The Xia-Xia playsets can be combined to create a complete playset