Soaking bamboo, the scientific name of high hydrophilic resin, can expand several times after absorbing water, used to grow flowers, and somehow became a toy. Paoda bamboo contains magnesium, zinc, titanium, manganese, boron, barium, chlorine, sulfur and other elements, and these chemical elements and their compounds are toxic and harmful to human body. Its main component is hydrophilic resin. Whether it is skin contact (infiltration) or inhalation of its volatile substances, it is possible. Soak in water and grow up in a day. When it is soaked, it will crack and give birth to many babies. The baby will stick to its mother after birth. After a month, Bubble Bead's mother will gradually soften. When other bubbles touch its mother, it will burst and her mother will die. Its baby will soak slowly, just like its mother.