
RareB
Wind-Up Rat — Value & Calculator
Signature Ability: Wind-Up Rat is a rare-tier pet in Grow a Garden.
Tokens @ 1kg
5
Hatch wt
2.5 kg
Max wt
25 kg
Tier
B
Verification & Sources
- Verified by
- GAG Calc Team
- Last update
- Wind-Up Rat data source
- Formula fallback
- Cross-source verified
- 3 sources
- Formula accuracy
- ±2%
- Methodology
- Read
Calculate Wind-Up Rat value

Signature Ability: Wind-Up Rat is a rare-tier pet in Grow a Garden.
Trade value scales with weight only — community calculators (game.guide, tradekitsune, growagardencalculator) all ignore age.
Auto-fill weight from age (optional)
1.00×
Trade Tokens
5
@ 2.50 kg
Wind-Up Rat tokens at key weights
No mutation, no demand bonus. Use the calculator above for custom inputs.
At hatch
5
tokens
2.5 kg · just hatched
Mid-weight
5
tokens
~13.8 kg · typical reference
At max
150
tokens
25 kg · fully grown
Values auto-derived from rarity tier defaults (no community trade data yet for this pet). Email us at [email protected] to submit verified trades and upgrade this pet to Verified status. See methodology.
Wind-Up Rat value-by-weight curve
0 datapoints · linear interpolation. Markers show exact value at each weight.
Value curve Formula estimate Hatch weight
Recent Wind-Up Rat updates
value$3.2M→ $3.5M
+9%tierS→ S+
value$3.1M→ $3.2M
+3%value$3.4M→ $3.1M
-8%Full changelog: /changelog
Wind-Up Rat tokens by mutation (weight 18.3 kg)
| Mutation | Mult | Mutation Machine % | Tokens | Gain vs none |
|---|---|---|---|---|
| None (baseline) | 1× | — | 15 | — |
| Ascended | 5× | 0.32% | 74 | +59 |
| Rainbow | 2.5× | 3.22% | 37 | +22 |
| Radiant | 1.6× | 3.22% | 24 | +9 |
| Shocked | 1.6× | 3.22% | 24 | +9 |
| Golden | 1.5× | 6.43% | 22 | +7 |
| Tiny | 1.4× | 6.43% | 21 | +6 |
| Mega | 1.4× | 6.43% | 21 | +6 |
| Inverted | 1.3× | 16.08% | 19 | +4 |
| IronSkin | 1.25× | 3.22% | 19 | +4 |
| Shiny | 1.15× | 32.15% | 17 | +2 |
| Windy | 1.1× | 9.65% | 16 | +1 |
| Frozen | 1.1× | 9.65% | 16 | +1 |
💡 Best mutation = Ascended (5×) but only 0.32% from Mutation Machine. Rainbow (2.5×, 3.22%) often the better practical target.
Wind-Up Rat weight by age
Predicted weight (kg) at each age milestone, from hatch weight 2.5 kg.
| Age | Weight | Multiplier |
|---|---|---|
| Age 1 | 2.50 kg | ×1.00 |
| Age 5 | 3.41 kg | ×1.36 |
| Age 10 | 4.55 kg | ×1.82 |
| Age 25 | 7.95 kg | ×3.18 |
| Age 50 | 13.64 kg | ×5.45 |
| Age 75 | 19.32 kg | ×7.73 |
| Age 100 | 25.00 kg | ×10.00 |
| Age 125 | 30.68 kg | ×12.27 |
How to get Wind-Up Rat
Wind-Up Rat comes from Pet Shop.
To maximize your odds: stack hatch helpers (use the egg hatch calculator), then level your pet with XP planner.
Trading Wind-Up Rat
Always check the WFL Calculator before trading. Pet trade value is sensitive to weight, age and mutation — a fresh-hatched Wind-Up Rat is worth far less than a max-age, Rainbow-mutated one.
FAQ
What is Wind-Up Rat in Grow a Garden?
Wind-Up Rat is a Rare-tier pet from Pet Shop. Its ability "Signature Ability" — Wind-Up Rat is a rare-tier pet in Grow a Garden.
What is Wind-Up Rat's base trade value?
Around 5 Trade Tokens at hatch weight (2.5 kg), no mutation. Heavier pets fetch much more — up to 150 tokens at max weight (25 kg).
How do I get Wind-Up Rat?
Source: Pet Shop.
What is Wind-Up Rat's max weight?
25 kg.
Related pets & alternatives
Similar Rare pets
Step up to Legendary
Cheaper alternatives (Uncommon)
Sources: Wind-Up Rat data is cross-verified against the Grow a Garden Fandom Wiki, community trade submissions sent to [email protected], and in-game testing by the GAG Calc team. See our methodology for the verification pipeline.