And the domino stackers who built it say it was the tallest ever in America.

建造它的多米诺骨牌堆垛机说它是美国有史高的。

Scattered throughout the hallways were examples of the company's best known and bestselling toys, from the classic Rock-a-Stack ring stacker, on the market since 1960, to the 4-in-1 Ultimate Learning Bot.

廊各处散落着该公司知名、畅销的各种玩具，从1960年上市的经典彩虹套圈，到四合一终极学习机器人。