Lot of LEGO DUPLO Quatro Blocks Bricks Set Toddler Large Size Building Toy | eBay
I knew about Duplo connecting to Lego but never knew about Quattro. : r/lego
Lego Duplo Quatro Set – Warwick Toy Library
thebrickconsultant on Twitter: "Found some LEGO Quatro in the charity shop today. LEGO x2 = Duplo x2 = Quatro! And they all fit together 🙂 Shame the storage boxes are not a