Last updated: July 26, 2026.
By using https://oxigenius.org you agree to these Terms. Please read them carefully.
1. What we offer
Free educational content about air quality (videos, stories, games and activities) and, in our store, official products for sale.
2. Use of content
Free material may be used by families and schools for non-commercial educational activities, with credit kept. Characters, texts, illustrations and trademarks belong to Oxigenius Tecnologia Ambiental Ltda and may not be modified or resold without permission.
3. Purchases
Prices, delivery times and payment methods are shown at checkout. Brazilian consumer law applies, including the right to withdraw within 7 calendar days of delivery. Returns and warranty follow the store support page.
4. Conduct
You may not use the site for unlawful purposes, attempt to compromise its security, or extract content automatically without permission.
5. Virtual assistant
Our assistant is educational and informational. It does not replace medical advice. For health matters, please consult a professional.
6. Limitation of liability
We work to keep the site available and accurate, but we do not guarantee uninterrupted service. Third-party links are their own responsibility.
7. Governing law and contact
These Terms are governed by Brazilian law, courts of Rio de Janeiro/RJ. Questions: info@oxigenius.org.