Description
No.1: It can only be used on the ground.
No.2: climb the building
No.3: It can only be used on the ground, and the bottom plate is added.
No.4: Climbable building, with floor added at the bottom.
No.5: stainless steel crystal wheel, stair climbing, flip bag
No.6: stainless steel crystal wheel, stair climbing, zipper bag
