Plain gravity is the main thing in this game where pieces click into place. i found the physics is simple and relaxing for assembling a scene at your own pace.
Step, click the pieces to move them into place and drag and drop them.
The controls are drag-and-drop which is stated. The stated feature is adjusting the difficulty by choosing the number of pieces.
Most players should start with the edges then work inward. The pieces click into place with sometimes tricky physics so drag them carefully.
Q: What are the controls? A: The controls are drag-and-drop.
Q: What is the objective? A: Assemble a cute scene.
Q: Is there a timer? A: Not stated.
Q: What is the main mechanic? A: Drag and drop pieces.