There are 78 pieces stored in the storage box, and the parts are packed more tightly.

Here is an illustration to explain how to organize the parts,

making it convenient for kids to put them back into the box after playing 😀

Layer 1 : total 50 pieces

• Track square x 4
• Hollow square x 4
• Small square x 24
• Double hollow square x 2
• Window square x 4
• Arch square x 2
• Right triangles x 4 (can be combined to form 2 squares)
• Fence x 6 (3 pieces inserted on each side at the bottom)

Layer 2 : total 24 pieces

• Big triangles x 8
• Equilateral triangles x 16

Layer 3 : total 4 pieces

• L-shape x 2
• Rectangle x 2