Your goal: drag the four parts into the right order, then drop a sample line into each. When the shape's right, hit Read it back and hear the piece climb.
The four parts — drag from here
The skeleton — drop in order
Now drop a sample line into each part
Order
— / 4
Lines placed
0 / 4
Build the skeleton, then read it back…
Hook gets them in · Build stacks it up · Turn makes it bigger · Landing makes it stick.