Extend toddlers’ train adventures with the Train Tunnel and Tracks Expansion Set (10425) toy for toddlers. Little ones aged 2+ grow their learning adventures as they add a tunnel and extra track to their LEGO DUPLO Town interactive toy train sets (10427 and 10428, sold separately).Great for Montessori, this toddler learning toy comes with a tunnel build and a 10-piece toy train track, including a funnel element and a 2-way points switch so toddlers can change their train’s direction of travel. The action brick lights up the dark tunnel when activated by the interactive toy train from sets 10427 and 10428.This educational toy makes a great gift for 2 plus year old toddlers, boys and girls. By extending the railway track through the toy tunnel, pre-schoolers learn spatial awareness. Using problem-solving skills to combine the toy train tracks and prediction skills to determine the train’s destination, toddlers develop patience and focus as they discover the many routes they can make.Toy train track set – Toddlers aged 2+ extend their LEGO DUPLO railway adventures and learn with the Train Tunnel and Tracks Expansion Set for kidsCreative toy with lots of pieces – This building toy includes 10 track pieces, 1 action brick, a 2-way points piece and tunnel and funnel elementsAnytime gift idea for kids – This extension train set makes a fun gift for 2+ year old boys and girls who love Montessori and educational toysFun toddler learning toys – All elements of this LEGO DUPLO toy have been tested to the max to ensure they fulfil demanding child safety standardsConnects to other toy train sets – This set links to LEGO DUPLO Town train sets (10427 and 10428) for a fun learning journey for preschool-aged kidsEducational toys for 2+ year olds – LEGO DUPLO interactive train toys are designed to develop toddlers’ patience, focus, perseverance and creative problem-solving skillsThis set includes a tunnel measuring over 20 cm (7.5 in.) high, 16 cm (6.5 in.) wide and 15 cm (6 in.) deepContains 20 Pieces.