Just bought these two Tonka Crater Crawlers for the Moon Base model. I have permission from the ebay seller to use the second photo.
White Crater Crawler; eBay seller trailsideoutfitters
Blue Crater Crawler; ebay seller clotzer
Text, Drawings, Scans, Videos and Photos Copyright Robert A Vollrath 2013. Other photos pulled off the web, I make an effort to identify and get permission. Toys are the copyright and trademarks of the toy companies.