Product: Lego LME Replacement Pack 3 2000702
Brand: LEGO
This pack features the ball and ball joint from the EV3 Core Set. Element Count: 4 Ages: 8+
This pack includes 2 steel balls and 2 casters as shown in photo (4 pcs total)

Search query: mindstorm ev3
Relevance: Complement

Search query: mindstorm ev3
Relevance: Complement