Mega Bloks Thomas & Friends Rescue Center Heroes Buildable Thomas the Tank Engine and Harold the Helicopter Over 130 pieces, including an archway, crane, and loop-style track and stickers to decorate the building blocks! Compatible with all Mega Bloks Junior Builders playsets Bag is reusable and portable for play on the go! Combine with other Mega Bloks Thomas & Friends playsets to build a world of Thomas adventures!