Megabuild Junction is your source for info and inspiration to get even more out of your Chuggington StackTrack™ playsets. Click on Megabuild instructions for step-by-step instructions to create Megabuilds by combining StackTrack and die-cast train sets. To see what our designers and other families have created, visit photos & videos. Click on building tips for helpful building tips and tricks from the Chuggington toy team experts. And don't be shy – share your family's creations with us! Click on community to join the conversation in social media. The possibilities are endless with StackTrack…how high will you build?