I attached a photo of the work.
If you have any further questions feel free to ask.
Hope this helps
Surface area = 56 cm2
Explanation:
Area of square base = Side x Side = 4 x 4 = 16 cm2
Area of triangle = 1/2 x Base x Height = 1/2 x 4 x 5 = 10 cm2
Area of 4 triangles = 10 x 4 = 40 cm2
Surface area of pyramid = 16 + 40 = 56 cm2
They like to flip over and set their car on fire