Crystal Growing Kit for Kids - Science Experiments Gifts for Boys & Girls Ages 8-14 Year Old - Discovery STEM Toys for Kids & Teen Age Boy/Girl Arts & Crafts Kits - Cool Educational Ideas is up for auction in Toys & Games. The current bid is $14.00, 30% below the $19.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.