As part of their “25 Days of Toys,” Toy Insider Editor-in-Chief  Marissa DiBartolo joined Family Circle magazine Social Media Manager Sugey Palomares to show off some of the smartest S.T.E.M. (science, technology, engineering, and math) toys of the holiday season. For more on the items featured in this segment, check out the product notes below, and for the complete rundown of the best toys of the holiday season, be sure to check our complete Toy Insider Holiday Gift Guide.