Gears are the utility items in Build a Ring Farm that speed up crop growth, change a plant’s mutation, or boost your pets for a short time. They all come from one place, the Gear Shop, and the stock rotates on a timer, so part of getting the gear you want is knowing when to check.
Quick answer: Walk to the Gear Shop building on the brown road near the center of the map, behind your plot, interact with it, then buy items with in-game cash or Robux. Stock refreshes every 5 minutes, and you can pay 35 Robux to restock it instantly.
How to buy gears in Build a Ring Farm
Note: The shop refreshes its inventory every 5 minutes, and what appears each cycle depends on rarity. Higher-tier sprays and fertilizers do not show up every time. If the gear you need is missing, wait for the next restock, or pay 35 Robux to refresh the stock right away.
All gears, effects, and prices
Gears fall into three groups. Fertilizers cut down crop growth time, mutation sprays apply or remove a plant’s mutation, and pet treats give a temporary stat boost. The table below lists every gear with its effect and both price options.
| Gear | Effect | Price (cash) | Robux |
|---|---|---|---|
| Normal Fertilizer |  2x growth boost for 5 minutes | $500K | 29 |
| Acid Spray |  Removes a mutation from a plant | $1M | 37 |
| Normal Pet Treat |  +10% stat boost for 3 minutes | $1M | 39 |
| Wet Spray |  Applies the Wet mutation | $10M | 79 |
| Strong Fertilizer |  4x growth boost for 10 minutes | $50M | 99 |
| Strong Pet Treat |  +20% stat boost for 5 minutes | $75M | 109 |
| Frozen Spray |  Applies the Frozen mutation | $750M | 149 |
| Autumn Spray |  Applies the Autumn mutation | $1B | 174 |
| Void Spray |  Applies the Void mutation | $10B | 199 |
| Super Fertilizer |  6x growth boost for 15 minutes | $15B | 299 |
| Super Pet Treat |  +30% stat boost for 7 minutes | $20B | 349 |
| Radioactive Spray |  Applies the Radioactive mutation | $100B | 399 |
| Rainbow Spray |  Applies the Rainbow mutation | $1T | 699 |
| Prismatic Fertilizer |  12x growth boost for 15 minutes | $25T | 799 |
| Cosmic Spray |  Applies the Cosmic mutation | $25T | 849 |
| Bubblegum Spray |  Applies the Bubblegum mutation | $250T | 949 |
| Fire Spray |  Applies the Fire mutation | $1QD | 1,099 |
Which gears give the best return
Fertilizers are the most dependable buy because they shorten the wait between harvests directly. Prismatic Fertilizer is the strongest one available, with a 12x growth boost for 15 minutes, so it clears the most crops in the least time during an active session.
Mutation sprays pay off most when you apply them to rare or high-value crops, since a stronger mutation raises the plant’s sell price. Save the expensive sprays for your best earner rather than spreading them across cheap plants. Keep an Acid Spray on hand too, since it strips an existing mutation so you can swap in a better one later.
Pet treats are a shorter-term boost. The higher tiers give bigger percentages and last longer, which makes them more useful once your farm is already producing strong income.
Managing the 5-minute restock
Because stock rotates every 5 minutes and rare gears are not guaranteed, chasing a specific spray or fertilizer can take several cycles. A few habits make it easier.
- Hold onto cash for the high-tier sprays and fertilizers instead of spending it on cheap items.
- Check the shop after each refresh when you are hunting one particular mutation.
- Keep an Acid Spray in reserve for removing a mutation you no longer want.
- Buy growth boosters when you are about to start an active farming run, so the timer is not wasted.
- If you do not want to wait, spend 35 Robux to refresh the inventory instantly.
Once you know the shop’s location and how its timer works, the rest is just matching the right gear to the right plant. Put your growth boosts to use during long sessions, apply your strongest mutations to your most valuable crops, and you will see the difference in both harvest speed and payout.
