Thames & Kosmos Crystal Growing is an exciting STEM experiment kit that encourages kids aged 10 and up to delve into the captivating world of crystallization. Kids will not only grow colorful crystals while conducting 15 electrifying experiments, but they'll also learn valuable scientific concepts such as chemical properties and structural formations. This kit comes complete with a beautifully designed manual and all the materials necessary for a fun and educational hands-on experience that sparks curiosity and fosters a love for science. 10+ years