Check the listing for details. Geek & Co. Science Hot Ice Crystals Science Kit. Condition: New. Listed at 13.99 USD. Geek & Co. Science Hot Ice Crystals Science KitThese amazing crystals form instantly out of a sodium acetate solution. They look like ice but they release heat upon formation. Use the solution to mold a beautiful crystalline polar bear and seal. Create an elegant crystal castle with shimmering spires. Learn about the chemical reaction that makes this happen.If you are not entirely satisfied with your purchase, we’re here to help.Feedback:We appreciate your FEEDBACK!!! If you have had a wonderful experience shopping with us, please leave us positive feedback! We strive to bring you the best products, for the lowest prices, all while offering excellent customer service! If you are not satisfied, please contact us via eBay messages, so that we may resolve any issues promptly. Thank You for Shopping with BargainRanger!