The Official Thomas & Friends Website have detailed on the sets by providing the names, descriptions and images.
The Diesel Small Bucket involves a ramp at the Dieselworks where Diesel he can slide down and includes 17 pieces to build.
Flynn's set titled Flynn's Rescue has him with his own garage to be ready for a day of work and includes 27 buildable pieces.
MEGA BLOKS' Diesel Small Bucket and Flynn's Rescue will hit toy shelves worldwide this Winter.
Thanks to StanleySpencerSilverZ for the alert.