- Use the special invisible ink pens to write top secret letters
- One pen writes in invisible ink, second pen makes the writing visible
- Includes tips and tricks for writing other secret communications
- Packed in durable metal tin
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This complete experiments set contains seeds, soil, plant pot and a greenhouse – all you need to grow these clever little plants.
Exciting observations: This clever plant can contract its leaves in seconds with the smallest touch.
This Kosmos experiment box is a great starter set in the world of gardening for children aged 6 and over.
The product instructions are multilingual: German, English, French, Italian, Spanish, Dutch