2. Product quality certification: Water gun toys belong to the category of children's toys and need to meet the quality certification standards of relevant countries or regions, such as CCC certification.
3. Intellectual property rights: Care should be taken to avoid infringing on other people's intellectual property rights, such as patents and trademarks.
4. Production license: According to relevant local laws and regulations, it may be necessary to apply for a production license.
5. Environmental certification: ensure that the production process meets environmental requirements, such as ROHS certification.
6. Safety signs: the product needs to be marked with relevant safety warning signs, such as "Do not play with children under 3 years old".