Crawl Thru - Loco & Carriage with HDPE Wheels Children love to crawl and clamber so our robust and rugged Crawl Thru’ Big Loco is sure to keep them busy. Crawl Thru’ front section has rounded edges and covered fixings. Sturdily constructed from Tanalised treated Scandinavian Redwood for long life. Zinc plated fixings. Approx. overall dimensions: 153cm (H), 86cm (W), 210cm (L). Optional coloured steering wheel and HDPE train wheels are available. Optional ground fixing kit for added security. Delivered part assembled.No installation required.