- Soma cube
- Snake cube
- Burr Puzzle
- Star Puzzle
The puzzle contains 4 pieces : 2 triangles and 2 trapezoids.
One frame is larger than the other. The larger frame is used to store the pieces.
Turn it over
Notice that this side is smaller and the frame is thicker.
Now, try to fit the 4 pieces in the frame.
* Do not use strength.
If you solve it correctly, the pieces will slide in to place smoothly.