This is the Fun Science Great Geysers Kit from Be Amazing Toys. New $19.19 (23% off). Suitable for Ages 8 & Up.:. Features: * More than 15 fun activities.:. * Just add Mentos, pull the trigger and run away.:. * Make your own erupting soda fountain (with three different geyse shapes).:. * Experiment with other substances that make the reaction work.:. * Make noodles dance.:. * Perform safe chemical reactions that fizz and foam.:. * Instructions.:.