Ravensburger Science X® Maxi - Crystals & Gemstones 18920
- 20 Amazing Science Activities
- Science X - Where Science, Fun & Learning Collide
- It's fun to be a scientist Understand everyday phenomena through hands-on, easy projects
- Guaranteed success Easy to use materials and richly illustrated manuals encourage kids to become active scientific explorers
- Exciting activities designed by experts, tested by kids
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