iM.Master 6804 Mechanical Master 2in1 R/C Timber Grapple 301 Piece Building Block Set Wheels/Tires - Drag DCC-ready features Quick PlugTM plug-and-play

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

Rick Sanchez might be a cynical mad scientist

Include four rollers and four cleaners

Z-750 and Z-500

iM.Master 6804 Mechanical Master 2in1 R/C Timber Grapple 301 Piece Building Block Set Wheels/Tires - Drag DCC-ready features Quick PlugTM plug-and-playiM. 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!