Knex Steel Scorpion Roller Coaster motorised construction set . Build large dynamic rollercoasters and constructions , race your cars down the track and test your engineering skills . with the easy to follow building instructions there’s an infinite number of designs to build . An exciting but educational STEM toy for anyone 7 and upwards . This is around 10 years old now was hardly ever used and sat in the cupboard havjng a clear out looks to have all the parts have counted all the major ones but can’t guarantee . Boxed and comes with motor , 2 x cars and all construction materials , cogs chains etc .
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