The first is a wind up Spin-A-Roo Cart, Japan, Alps. Hard to find toy. When wound, it rolls backwards and forwards, pulling wheelies and spinning, near mint, 7". The second is a wind up A-12 Bulldozer, Japan, Yoshiya. When wound, the friction motor is activated for bump and go. Drives back and forth, excellent to near mint, 6".Condition: Dimensions: Largest : 6 -1/4" x 2 -3/4".