Photo by: Lego Photo by: Lego Photo by: Lego The doors and covers aren't the only moving parts. The visible pistons move up and down, and the differential moves as the wheels roll. The weird black ...
Amazon (2) My 6-year-old son is a complete brick fiend, and I honestly get a little jealous seeing the engaged fun he has building Lego sets. His favorites are colorful builds with moving parts ...