3770 My First Train was a DUPLOTrains set released in 2005 for US $9.99. It came with one DUPLO figure, an elephant, and twelve pieces total.
This is a description taken from LEGO.com. Do not modify it.
Piece Count: 12
The circus train is coming to town!
Everyone is excited because the circus train is on its way! The engineer steers the train with the baby elephant safely on board. Big, colorful bricks are fun and safe for little hands, and make for easy building. Includes train engine and car, engineer and baby elephant figures. Compatible with all LEGO DUPLO trains, tracks and accessories!