Engine, 2 x 4 x 4 (Life on Mars) is a LEGO piece that appeared in the Red Planet Protector and Solar Explorer sets.
This part currently has a value of $1.15 based on average sale price over the last 6 months.
This piece appears in 2 sets
Name: Engine, 2 x 4 x 4 (Life on Mars)
Appears in: 2 sets
Bricklink code: 30535
Confidence: High
Current value: $1.15