National Geographic I Grandi Segreti Del Cervello: 7 migliori del 2025

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GROW CRYSTAL COVERED TREES - Watch as crystals start to grow in minutes from the branches of the included evergreen, cherry, bonsai, and dragon blood trees like magic! The 6 trees will be fully covered in crystals in as little as 6 hours.
YOU CHOOSE THE COLORS - Color each tree any way you’d like with the 5 watercolor pens in the kit, and grow crystals in the colors you’ve chosen. It's a craft project and crystal kit all in one!
REAL SPECIMEN INSIDE - After the crystals are grown, you'll enjoy examining the genuine geode specimen in the kit! A full-color learning guide is included and is packed with fascinating facts about crystals. This STEM craft kit is unforgettable!
COMPLETE ACTIVITY SET - Because the crystals absorb the ink from the markers and grow in the colors drawn, this kit combines the science of a crystal growing lab with the creativity of an art project, making this a great activity for girls and boys.
HIGH-QUALITY EDUCATIONAL TOYS - We proudly make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience isn't stellar, we'll make it right!
27,99 € SU AMAZON

National Geographic I Grandi Segreti Del Cervello