The 4489 MINI AT-AT was released in 2003. It consisted of 98 pieces and was originally retailling for US $ 6.99. This set contained an additional part for building a blue Y-wing Fighter. The other parts needed for building the Y-wing Fighter were included with the 4488 MINI Millennium Falcon, 4490 MINI Republic Gunship and 4491 MINI MTT sets.
LEGO.com Description[]
The AT-AT is on the march!
Recreate the Battle of Hoth with the MINI AT-AT! Combine it with #4486 for even more realistic Star Wars excitement.
This is an official description which was taken from LEGO.com. Please do not modify it.