1. **Is the object similar to a 1x1 elongated Lego brick?**
   - **Answer:** No
   - **Reasoning:** The object has a geometric shape that includes a square base with an extruded part and a cylindrical extrusion on top, which does not resemble the typical form of a 1x1 elongated Lego brick, which is generally rectangular with no additional extrusions.

2. **Is the extrusion length of the square almost twice the length of the square's side?**
   - **Answer:** Yes
   - **Reasoning:** From the images provided, the extruded part of the square appears to be significantly longer than the side of the square base, approximately twice as long, based on visual estimation.

3. **Is the object hollowed out, keeping only the top of the extruded square?**
   - **Answer:** Unclear
   - **Reasoning:** The images do not provide a view that clearly shows whether the object is hollowed out or not. The object appears solid from the visible angles.

4. **Is there a circle extruded on top of the cube?**
   - **Answer:** Yes
   - **Reasoning:** The images clearly show a cylindrical shape extruded on the top center of the square's extruded part, confirming the presence of a circle (cylinder) extruded on top.

5. **Is the height of the extruded circle about 1/7th the height of the square's extrusion?**
   - **Answer:** Unclear
   - **Reasoning:** It is difficult to precisely determine the proportion of the cylindrical extrusion's height relative to the square's extrusion height from the images alone without exact measurements. The cylinder appears to be a small fraction of the square's extrusion height, but whether it is exactly 1/7th is not determinable from the images.