79
草刈り機 替え刃
A $38.2M/yr market growing +268.1% this quarter with returns at 0.3% — clears our launch bar.
- Market/yr
- ¥38.2M
- Growth 90d
- +268.1%
- Top-5 clicks
- 20%
- Rating
- 3.7★
DIY・工具・ガーデン
¥40.3B/yr of tracked demand across 4,191 niches on Amazon Japan (median 90-day growth +2.8%) — led by 草刈り機 替え刃 at 79/100.
#2 of 4 tracked Japan categories · 22% of the tracked market
Niches tracked
4,191
Data through 2026-07-26
Market / yr
¥40.3B
across tracked niches
Median growth (90d)
+2.8%
search volume vs the prior quarter
Launch-ready
1,360
niches that clear our launch bar
Signals Trending 573 No Dominant Brand 783 Low Review Barrier 1,443 Quality Gap 1,315 High Returns 1 High Price 4,191 Out of Stock 361
Where the money is
Yearly tracked market size by niche草刈り機
¥232.5Mscore 74 · Launch it
除草剤
¥227.8Mscore 72 · Launch it
バートル バッテリー
¥187.1Mscore 71 · Launch it
コバエ
¥185.5Mscore 72 · Launch it
室外機カバー
¥156.3Mscore 77 · Launch it
電動ノコギリ
¥152.2Mscore 70 · Launch it
サンシェード
¥124.4Mscore 76 · Launch it
芝刈り機
¥122.1Mscore 72 · Launch it
ダニ取りシート
¥117.9Mscore 70 · Launch it
ベープリキッド
¥113.8Mscore 71 · Launch it
香取マット
¥109.5Mscore 71 · Launch it
蚊取り
¥95.6Mscore 71 · Launch it
あり
¥91.6Mscore 73 · Launch it
猫よけ
¥84.3Mscore 70 · Launch it
蚊取り線香 電気
¥81.3Mscore 73 · Launch it
剪定バサミ
¥74.4Mscore 70 · Launch it
水中ポンプ
¥71.6Mscore 72 · Launch it
殺虫剤
¥62.9Mscore 71 · Launch it
カメムシ
¥60.5Mscore 76 · Launch it
電撃殺虫器
¥58.5Mscore 72 · Launch it
断熱シート
¥51.4Mscore 72 · Launch it
鳥よけ
¥49.9Mscore 77 · Launch it
ムカデ
¥49.7Mscore 76 · Launch it
草刈り機 エンジン
¥48.6Mscore 73 · Launch it
パラソル
¥47.4Mscore 70 · Launch it
草取り道具
¥47.2Mscore 75 · Launch it
ヘッジトリマー
¥46.0Mscore 72 · Launch it
コウモリ撃退グッズ
¥34.2Mscore 75 · Launch it
水やり
¥34.1Mscore 76 · Launch it
ガーデンテーブル
¥28.6Mscore 70 · Launch it
ネズミ駆除 超音波
¥28.1Mscore 70 · Launch it
芝生 バリカン
¥28.0Mscore 74 · Launch it
ヒトデマックス
¥25.3Mscore 71 · Launch it
窓 ロック
¥25.1Mscore 73 · Launch it
+66 too small to tile at tap-target size — every entry is listed below the map
Top 100 of 250 niches by market size shown
Top picks
The strongest niches we track in DIY・工具・ガーデンLaunch it
79
風鈴
A $14.2M/yr market growing +658.9% this quarter with returns at 0.4% — clears our launch bar.
- Market/yr
- ¥14.2M
- Growth 90d
- +658.9%
- Top-5 clicks
- 25%
- Rating
- 4.0★
79
草刈り機 ハンドル
A $5.2M/yr market growing +385.4% this quarter with returns at 0.4% — clears our launch bar.
- Market/yr
- ¥5.2M
- Growth 90d
- +385.4%
- Top-5 clicks
- 30%
- Rating
- 3.5★
Opportunity map
Each bubble is one niche — 90-day growth against how locked the shelf is; bubble size tracks market size, color grades the verdict. Click a bubble to open its verdict. Launch it Worth a look Skip it
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — median niche search growth of +2.8% over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Movers — rising vs cooling niches by 90-day growth
Rising
#NameGrowth (90d)
1↑>1,000%
根こそぎ抜ける手動草取りツール
¥918K/yr
2↑>1,000%
タカラ産業 室外機カバー
¥308K/yr
3↑>1,000%
蚤取りホイホイ
¥277K/yr
4↑>1,000%
蚊とり器
¥956K/yr
5↑>1,000%
プールカバー
¥2.4M/yr
Cooling
#NameGrowth (90d)
1↓98.5%
テトラポット
¥52.4M/yr
2↓98.2%
雪下ろし
¥21.0M/yr
3↓95.5%
防災頭巾 カバー付き
¥808K/yr
4↓95.4%
アンダーウォッシュ
¥3.6M/yr
5↓94.5%
雪かき
¥15.1M/yr
Niches
4191 tracked| # | Niche | Verdict | Score | Market/yr | 90d | Top 5 | Rating | Price |
|---|---|---|---|---|---|---|---|---|
| 1 | 草刈り機 替え刃 A $38.2M/yr market | Launch it | 79 | ¥38.2M | +268.1% | 20% | 3.7★ | ¥2057.86 |
| 2 | 風鈴 A $14.2M/yr market | Launch it | 79 | ¥14.2M | +658.9% | 25% | 4.0★ | ¥1801.25 |
| 3 | 草刈り機 ハンドル Demand growing +385.4% this quarter | Launch it | 79 | ¥5.2M | +385.4% | 30% | 3.5★ | ¥2452.64 |
| 4 | はえたたき Demand growing +349.4% this quarter | Launch it | 79 | ¥3.7M | +349.4% | 45% | 3.6★ | ¥821.72 |
| 5 | 共立 刈払機 パーツ A $11.0M/yr market | Launch it | 78 | ¥11.0M | +249.0% | 19% | 3.9★ | ¥2691.85 |
| 6 | 防鳥ネット A $10.9M/yr market | Launch it | 78 | ¥10.9M | +127.4% | 32% | 4.0★ | ¥1454.83 |
| 7 | 高圧洗浄ノズル Demand growing +328.8% this quarter | Launch it | 78 | ¥4.8M | +328.8% | 29% | 3.1★ | ¥1610.07 |
| 8 | 室外機カバー A $156.3M/yr market | Launch it | 77 | ¥156.3M | +406.8% | 39% | 4.0★ | ¥2228.94 |
| 9 | 鳥よけ A $49.9M/yr market | Launch it | 77 | ¥49.9M | +107.1% | 32% | 3.6★ | ¥1813.22 |
| 10 | 網戸 A $13.5M/yr market | Launch it | 77 | ¥13.5M | +266.8% | 32% | 4.0★ | ¥1954.10 |