CONSTRUCT & CREATE RED5 Space Rail - Build Your Own Perpetual Ball Run

2 x C batteries needed (not included), but steel marbles are There’s nothing quite like building something yourself, especially when it helps you build up new skills at the same time! You’ll be able to keep track of your marbles - quite literally - with this mini roller-coaster of a toy! This Space Rail may involve loop-the-loops, but you wouldn’t be loopy to buy this product Fun for all the family!, Manufacturer: RED5