High Speed Roller Coaster Bullet Train Toy Building Set Type: High Speed Roller Coaster Bullet Train Toy Building Set Manufacturer Recommended Age: Recommended Age: 6+ (Adult Assembly) Gender: Unisex Age: Child/Teen/Adult Feature: This awesome Park Roller Coaster set is loads of fun! Construct a large swooping rollercoaster with over 10 feet of track. Watch the train move rapidly around the big track, carrying two carriages behind it! Side locks prevent the roller coaster from falling off the track. Assembly is easy and straightforward. Your little one will have hours of fun with this beautiful set.