With this gravel crane, you can easily move gravel. Turn the crane over the gravel, lower the magnet, and lift the gravel. Turn the crane over your train and place the gravel in your train car. Then you can easily transport your gravel via your tracks to its destination. That's a fun and easy way to move heavy things! This set fits well with the well-known wooden train systems. Contents: Platform with a crane and a track, 1 wagon, 1 wooden gravel block.