United Entertainment spacerail marble track This crazy marble job is not for wimps! The marbles roll over the track at lightning speed along sharp bends, loopings and a lift. In total the track is 32 meters long, so enough time to see what's going on. This marble track is for the advanced builder. Specifications: Gender: unisex Colour: black, white Material: plastic, steel Length: 32 meters Dimensions after assembly: 90 x 40 x 33 cm (L x W x H) Assembly time: 12 to 14 hours Batteries: 1x C battery (not included) Age: from 15 years Contents: 1 Set of material marble track 5 Marbles