Features: Fun and Educational: Grow your own crystals with the crystal growing hedgehog kit, a simple and engaging science experiment for children of all ages. Easy to Use: With its simple operation and convenient design, this science kit is perfect for young scientists to explore and learn about the fascinating world of crystals. Curiosity: Spark your child's curiosity, interest, and imagination as they witness the mesmerizing process of crystal formation, fostering a love for science and discovery. Educational Fun for All Ages: Whether you're a child or an adult, this crystal-growing hedgehog kit offers an educational and entertaining experience, making it a perfect gift for all. Engaging Science Experiments: Explore the wonders of crystal growth through a series of captivating and safe science experiments, allowing children to witness the beauty of nature's creations. Specifications: Material:Plastic Size:Hedgehog Size:8*10*7cm Notes:Please allow slightly errors due to manual measurement and different monitors. 1*Crystal Growing Hedgehog Kit