BRIO - Pullback Train Set 28 piecesThe BRIO Pullback Train Set is a dynamic 28 piece collection featuring motorised locomotion that eliminates the need for batteries or external power. Simply pull back the train to wind the internal mechanism, then release it to watch it race across the tracka satisfying, mechanical approach to powered play. This comprehensive set includes multiple track configurations, accessories, and themed pieces that encourage creative railway design and extended