| 摘要 |
The item has a closed outer receptacle (1) housing a folded self-expandable balloon (2). The receptacle includes a capsule containing an aqueous fluid, and a bicarbonate type chemical compound capable of reacting when brought into contact with the aqueous fluid contained in the capsule to emit gas. A support base (4) is attached to a lower end of the balloon and contained within the outer receptacle. The support base includes a rigid plate made of cardboard and provided with a groove for fixing the balloon, where the balloon is realized in the form of Christmas tree. |
