The freight battery train will also help improve your childs ability to concentrate durable retro design toy is a perfect match for any young train lover the train will stop reverse and go forward with the push of a button on top of the train compatible with all brio railway systems suitable for children 3 years plus includes 1x battery engine the item measures 8 9 x 3 6 x 5cm suitable for ages 3 years and up manufactured to brios high standards and from fsc certified wood