The Raretron 300 allows you to build some rare items with more common materials.

One of my issues with Stardew Valley is that by the time you've reached Ginger Island and Qi's Walnut Room, you've likely already maximized nearly everything on your farm, such as having iridium sprinklers and Junimo Huts, and thus, the rewards from Qi feel rather unnecessary and are there simply for min/maxing when they would have been far more useful in the early to mid game. This mod makes it so you can craft a lot of the game's rarer items much sooner so they feel much more impactful and like they're really helping increase your productivity so you can earn money a little faster and thus get to the end-game sooner. I also added the ability to upgrade your sprinklers.

The Raretron 3000 requires 250 Stone, 250 Wood, 20 Coal, and 5 Refined Quartz to craft, is immediately available for crafting, and can create the following items based on their specified inputs:

• Enricher - 50 Bone Fragments
• Pressure Nozzle - 20 Iron Bars
• Pierre's Missing Stocklist - 25 Gold Bars
• Magic Bait - 5 Bug Meat
• Hyper Speed-Gro x 5 - 50 Sap
• Deluxe Fertilizer x 5 - 1 Common Mushroom
• Quality Sprinkler - 3 Sprinklers
• Iridium Sprinkler - 6 Quality Sprinklers
• Prismatic Shard - 10 Diamonds
  

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If you have any feedback, please let me know, whether it be bugs or things you'd like to see added to the mod. I can also modify the required inputs to be better balanced if you feel some of them are too easy or too demanding. 

Feel free to check out some of my other mods on my mod page