Lionel LNL1923140 O-31 BT Lion Chief Disney Christmas Model Train Set. Toys play a crucial part in development of a child Toys as simple as wooden blocks or numbered puzzle develops cognitive and physical skills Complex puzzles remote control cars bubble guns helps learn and analyse cause effects and spatial relationships Babies tend to play more and more with such toys and make themselves happy Childrens attitude towards their toys nurtures them big way Features. O31 BT Lion Chief Disney Christmas Model Train Set. Suitable for interior and exterior. O-31 BT Lion Chief Disney Christmas Model Train Set. Produced with the highest grade materials.