K'NEX with box included . Random pieces including wheels, gears, and rods . See photos for actual contents . Total weight -3lbs 5.5 ozs with box . We love and consider all reasonable offers ! :) **Visit our shop listings for new items added almost daily including kids clothes , homeschool curriculum, books, children’s books and household items, even some vintage items and save 5% and combine on shipping if you purchase 2 or more! :) #engineering #construction #buildingToys #stem #k ’nex