The best way to add many levels to the biggest of Thomas sets. Sturdy risers are flexible enough to build to two or three levels. Availability: Usually ships the next business day. LC99915 FREE GROUND SHIPPING ON ALL ORDERS OVER $75.00. Please entry FREESHIPPING in the coupon box on the second page of the checkout. Offer valid for the 48 contiguous states. Certain oversize and drop ship items are excluded.