A box of water baby, sponge baby, water-absorbing beads, crystal mud, Ocean baby, soaked big beads, crystal little baby

For children, observing the process by which SpongeBob absorbs water and expands is an interesting scientific experiment that can help them understand the properties and changes of water-absorbing materials.

‌**3. **‌ Notes ‌****‌ :

Youdaoplaceholder0 Safety ‌ : Ensure SpongeBob SquarePants material is safe and non-toxic to prevent accidental ingestion by children. Although the beads are small after being soaked, they are easily swallowed by young children, posing a risk of suffocation.

Youdaoplaceholder0 Environmental protection disposal ‌ : When no longer in use, please dispose properly to avoid random discarding causing environmental pollution. Although they expand when exposed to water, they are not easily degraded after drying.