National Geographic Grandi Filosofi: 7 migliori del 2025

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FAST GROWING CRYSTALS IN 6 COLOURS - Red, Green, Blue, Purple, Yellow, and Glow in the Dark; Crystal Chemistry has never been so fast (grows in 3 - 4 days), fun and colourful!
GROWING IS EASY – Easy-to-follow instructions and 2 silicone growing chambers make growing your crystals. Our new clear crystal seed rocks can be left in your delicate crystals and grown crystals can be placed directly into your display
NIGHT LIGHT DISPLAY – Show off your 5 favourite home-grown crystals on the included light-up display
INCLUDES REAL CRYSTAL SPECIMENS – Start or expand your rock collection! Comes with 4 real gemstone specimens: rose quartz, fluorite, blue calcite, and quartz geode. Learn about the gemstones in the kit with the included, full-colour learning guide
SATISFACTION GUARANTEED – The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun! If your experience is anything less than extraordinary, let us know so we can make it right for you.
41,99 € SU AMAZON

National Geographic Grandi Filosofi