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LEGO Creator 3in1 Underwater Robot 31090 Building Kit (207 Pieces)

Rated4.8(5,524 ratings)In stock

Normal price

$108.89 is what it normally sells for.

Now
$108.89
Normally
$108.89
Lowest in 139 days
$83.38(Jul 15)
Highest
$124.00
Evidence: Strong139 days tracked362 price changes

Where today's price sits

View on amazon.com (opens in a new tab)

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.

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Good: 5%+ below normal. Great: 20%+ below. One email when it happens. No account, no newsletter.

Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)

Price history

Tracked since Jun 25 · 139 days · 362 price changes

Ahead of Black Friday 2026 (Nov 27), it is at its normal price of $108.89. A price below $108.89 would be a real deal. LEGO Creator 3in1 Underwater Robot 31090 Building Kit (207 Pieces) price history, checked Nov 12, 2026: current price $108.89, normal (typical) price $108.89, average $111.27 over 139 days, lowest $83.38 (Jul 15, 2026), highest $124.00 (Sep 17, 2026).

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $108.89
  • 5% or more below normal

How often does it drop below normal?

In the 139 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 13 times, typically lasting about 1 day. The last time ended Oct 2. Brief dips under an hour (31) aren't counted.

A count of what happened, not a prediction.

More real deals in Toys

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Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B07GX7RNGB
Request
curl https://trackpin.co/api/v1/product/B07GX7RNGB \
  -H "x-api-key: $TRACKPIN_API_KEY"

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key
Live response, As of 01:50 UTC
{
  "asin": "B07GX7RNGB",
  "title": "LEGO Creator 3in1 Underwater Robot 31090 Building Kit (207 Pieces)",
  "image": "https://m.media-amazon.com/images/I/81-od6rFrKL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Toy",
  "category_label": "Toys",
  "in_stock": true,
  "price": {
    "current_cents": 10889,
    "reference_cents": 10889,
    "discount_pct": 0,
    "is_deal": false,
    "observed_at": 1794447948983,
    "changed_at": 1794447948983,
    "checked_at": 1794447948983,
    "source": "stored"
  },
  "verdict": {
    "label": "normal",
    "text": "Normal price",
    "pct_vs_normal": 0,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Normal price. $108.89 is what it normally sells for."
  },
  "listing_claim": null,
  "stats": {
    "min_cents": 8338,
    "max_cents": 12400,
    "avg_cents": 11127,
    "history_days": 139,
    "price_levels": 540,
    "price_changes": 362,
    "distinct_prices": 21,
    "lowest_at": 1784088806868
  },
  "history": [
    {
      "price_cents": 11990,
      "from": 1792232489633,
      "to": 1792303310623
    },
    {
      "price_cents": 11198,
      "from": 1792311136928,
      "to": 1792311136928
    },
    {
      "price_cents": 11990,
      "from": 1792318721888,
      "to": 1794434932216
    },
    {
      "price_cents": 10999,
      "from": 1794437654707,
      "to": 1794447164150
    },
    {
      "price_cents": 10889,
      "from": 1794447948983,
      "to": 1794447948983
    }
  ],
  "last_seen": 1794447954037
}
// … 535 more steps in the full response

Normal 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.