No risk of anyone crossing this track unseen. When a train passes the bell rings. No need for batteries as it's all magnetic. Welcome additions to any wooden railway. The more you add, the more you enjoy. Measures 3.87" x 3.12" x 3.62" Ages 3 & up. Founded in Sweden in 1884, BRIO� makes the highest quality wooden toys that have delighted children and created happy memories for generations. Both educational and fun, BRIO's uncompromising focus on design, quality and craftsmanship create toys of lasting value that stimulate creativity and imagination. Engaging play and learning are integral themes in all BRIO toys, satisfying a child's educational needs and growing with them through their various phases of development.