Cluster Launcher

Progress

The most splendid fireworks shows must include cluster rockets, and those cluster rockets must be fired from cluster launchers! Is it not then logical for you to learn the secrets of making cluster launchers? Bring me coins of ancestry and I will give this knowledge to you.

Completion

Here is your schematic. Study it closely, and learn...

Good luck, <name>. May your celebrations rival that of the Lunar Festival itself!