Step 1

Attach two pieces of piece 1 using two pieces of connector 5 and one connector 2

Step 2

Attach two pieces of piece 1 between connector 5 and two pieces of connector 2

Step 3

Attach two pieces of Disc 1 using two pieces of locks 5 and two locks 2

Step 4

Attach two plate 8 to connector 5 and three connector 7 between plate 1

Step 5

Attach four locks 11 to each corner

Step 6

Attach six pieces of piece 1 between connector 7 and connector 11 and two pieces of piece 8 on connector 11.

Step 7

Attach four locks 11 to each corner and three locks 7 between board 1

Step 8

Attach six pieces of piece 1 between connector 7 and connector 11

Step 9

Attach two pieces of piece 2 using two connector 11 and one connector 2

Step 10

Attach lock 15 and lock 16 in each corner and two locks 6 between board 1

Step 11

Attach two connector 7 between piece 1 and piece 2

Step 12

Attach two plate 4 between connector 7, connector 15 and connector 16

Step 13

Attach one piece 15 to connector 16 and the other to connector 6

Step 14

Attach one plate 15 to lock 15 and the other to lock 6 and lock 11 between the four plates 15 (on the roof)

Step 15

Attach two plate 15 to connector 6 and connector 11

Step 16

Attach plate 4 to connector 15 and connector 16 (not to connector 7)

Step 17

Attach two plate 15 to connector 15 and connector 16 using connector 11. Finally, attach plate 4 to connector 7.