- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
The answer is on the link you provided (super safe chenistry set). The chemicals in these sets are very weak and cover things which I learnt in primary school. The kids MUST be supervised though as chemicals can at least damage furniture and carpets if abused. The chemicals should not have deteriorated as anything that would would have a date on it.
×