LEGO Set 3775-1 Points (2005 Duplo > Trains) | Rebrickable - Build with LEGO
2 pcs/lot train series The Duploe Points Train Track Switcher Big size building blocks set Compatible with Duploe 3775 toys|building blocks set|block setbuilding blocks - AliExpress
Lego Duplo 3775 Tracks New With Box Sealed | eBay
Building Instructions - LEGO 3771: Train Starter Set - Book 1