How much to sell thomas bed on Ebay ?

How much to sell thomas bed on Ebay ?


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Hi,
My son used to have this bed http://www.littletikes.co.uk/product.php?itemid=3 I want to sell it via Ebay, now I was thinking £50-£70 starting price, do you think that's reasonable ? and also how many days do you think would be best to keep it up for auction ?
Thanks
Lisa