Turning at the Wall / 壁で方向転換

A car that changes direction when it hits a wall. For mechanisms like this, the small size and light weight of the LEGO Science motor really come in handy.

壁に当たったら向きを変える車。こういう構造の作品はLEGO Scienceのモーターの小ささ、軽さが活きるなぁ。