CrossMath Game Optical Illusion Kit does not include a

Kit does not include a USB Type-C power cable

powered by a solar panel

This 350-milliliter Exploratorium-branded beaker lends a scientific look and a useful metric to any beverage experience

This 30-piece set features 12 unique shapes

CrossMath Game Optical Illusion Kit does not include aOne game, so many ways to play! A great way to practice math, CrossMath encourages players to use addition, subtraction, multiplication and division skills. The included guide provides skill specific game play options and additional activities for the home or classroom. Builds mental math skills Promotes strategic thinking and confidence Additional parent and educator guide includes activities beyond game play Includes game board, 120 tiles, 4 tile