As part of their “25 Days of Toys,” Toy Insider Editor-in-Chief Ali Mierzejewski joined Family Circle Associate Editor Kendall Wenaas to show off the coolest construction and building toys for the budding engineer on your holiday shopping list. 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.