iM.Master 6804 Mechanical Master 2in1 R/C Timber Grapple 301 Piece Building Block Set Wheels/Tires - Drag Chuffinity™ technology for prototypical load-based

Chuffinity™ technology for prototypical load-based chuff intensity

Include four rollers and four cleaners

the greater operational range and the updated avionics

DCC-ready features Quick PlugTM plug-and-play technology with 21-pin NEM connector

The Big Boy is massive

iM.Master 6804 Mechanical Master 2in1 R/C Timber Grapple 301 Piece Building Block Set Wheels/Tires - Drag Chuffinity™ technology for prototypical load-basediM. Master 6804 Mechanical Master 2in1 R C Timber Grapple 301 Piece Building Block Set Get ready for endless hours of fun and creativity with the cutting edge building blocks that bring your dreams to life! Whether you're a car enthusiast or a space fanatic, this revolutionary new brand of building blocks is here to take playtime to a whole new level!