LEGO Ideas Sonic the Hedgehog price history, checked Nov 15, 2026: Good price. $99.00 is 7% below the $106.50 it normally sells for.

LEGO Ideas Sonic the Hedgehog – Green Hill Zone 21331 Collectible Set, Nostalgic 90's Gift Idea for Adults with Dr. Eggman Figure and Eggmobile
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Good price
$99.00 is 7% below the $106.50 it normally sells for.
- Now
- $99.00
- Normally
- $106.50
- Lowest in 142 days
- $71.24(Jul 28)
- Highest
- $119.55
Where today's price sits
Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.
Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)
Price history
Tracked since Jun 25 · 142 days · 443 price changes
Ahead of Black Friday 2026 (Nov 27), it is already 7% below its normal price of $106.50. LEGO Ideas Sonic the Hedgehog price history, checked Nov 15, 2026: current price $99.00, normal (typical) price $106.50, average $99.37 over 142 days, lowest $71.24 (Jul 28, 2026), highest $119.55 (Oct 11, 2026).
Loading the price chart.
- Price
- Not checked for 3+ days
- Normal $106.50
- 5% or more below normal
How often does it drop below normal?
In the 142 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 10 times, typically lasting about 1 day. It's below normal right now. Brief dips under an hour (23) aren't counted.
A count of what happened, not a prediction.
How other building sets are priced before Black Friday: Black Friday building sets on Amazon
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Get this as JSONThe same verdict and prices, from the TrackPin API.
curl https://trackpin.co/api/v1/product/B09JKZVBQ9 \
-H "x-api-key: $TRACKPIN_API_KEY"const res = await fetch("https://trackpin.co/api/v1/product/B09JKZVBQ9", {
headers: { "x-api-key": process.env.TRACKPIN_API_KEY },
});
const product = await res.json();
console.log(product.verdict.label, product.price.reference_cents);import os, requests
r = requests.get(
"https://trackpin.co/api/v1/product/B09JKZVBQ9",
headers={"x-api-key": os.environ["TRACKPIN_API_KEY"]},
)
product = r.json()
print(product["verdict"]["label"], product["price"]["reference_cents"])This is exactly what the API returns for this product. Free keys include 100 requests a day.
Request a key{
"asin": "B09JKZVBQ9",
"title": "LEGO Ideas Sonic the Hedgehog – Green Hill Zone 21331 Collectible Set, Nostalgic 90's Gift Idea for Adults with Dr. Eggman Figure and Eggmobile",
"image": "https://m.media-amazon.com/images/I/81-AeHY9d2L._AC_SL500_.jpg",
"currency": "USD",
"category": "Toy",
"category_label": "Toys",
"in_stock": true,
"price": {
"current_cents": 9900,
"reference_cents": 10650,
"discount_pct": 7.04,
"is_deal": true,
"observed_at": 1794714104035,
"changed_at": 1794693460321,
"checked_at": 1794714104035,
"source": "stored"
},
"verdict": {
"label": "good",
"text": "Good price",
"pct_vs_normal": 7.04,
"evidence": "strong",
"stale": false,
"suspect": false,
"steady_since": null,
"sentence": "Good price. $99.00 is 7% below the $106.50 it normally sells for."
},
"listing_claim": null,
"stats": {
"min_cents": 7124,
"max_cents": 11955,
"avg_cents": 9937,
"history_days": 142,
"price_levels": 617,
"price_changes": 443,
"distinct_prices": 21,
"lowest_at": 1785257353558
},
"history": [
{
"price_cents": 11800,
"from": 1794467490030,
"to": 1794494251445
},
{
"price_cents": 10650,
"from": 1794509544505,
"to": 1794530629157
},
{
"price_cents": 7499,
"from": 1794562440137,
"to": 1794564444100
},
{
"price_cents": 10650,
"from": 1794566027699,
"to": 1794675419914
},
{
"price_cents": 9900,
"from": 1794693460321,
"to": 1794714104035
}
],
"last_seen": 1794714104035
}
// … 612 more steps in the full responseNormal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.