Calculix
FailShoppers spend an estimated $5K a year here, so Calculix is a Fail.
- Flapen Score
- 35 / 100Ranks 1,651 of 2,084 Spielzeug niches · −8 vs the category median of 4335
- Market size
- €5K/yr21K searches / yr
- 90-day growth
- -18.8%search demand this quarter
- Competition
- 65%top-5 click share · 11 brands · 44 sellers
Flapen Score
Calculix against its category
The dotted line is the Spielzeug average. Past it, Calculix is stronger. Inside it, weaker.
Market
The Calculix market on Amazon at a glance
Shoppers on Amazon Germany searched for Calculix 21K times last year and spent an estimated €5K. The top 5 brands take 84% of clicks. Demand peaks in Sep–Oct. Flapen scores it 35 out of 100, a Fail.
01 · Demand
An estimated 0.9% of those searches ended in a purchase.
Shoppers searched for this 21K times in the last 12 months. That counts every search on Amazon Germany for this niche's terms. An estimated 0.9% of those searches ended in a purchase. Searches in the last 90 days moved -18.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated €5K a year.
- Searches, last 12 months
- 21K
- Growth, 90 days vs prior 90
- -18.8%
- Conversion, latest week
- 0.9%
- Market size, estimated
- €5Ka year
- Peak month
- September3.3× the quietest month
- Top search term
- intuitibrix8K searches a year
02 · Price
A sale here is worth €27.64.
Listings sell for €27.64 on average, from €7.30 to €95.45. Amazon reports units sold in ranges. This niche sold 250 to 500 a year. The average listing sells 0 to 100 of them. At €27.64 that is €0 to €3K a year per listing.
- Average price
- €27.64inside the $15 to $100 sweet spot
- Price range
- €7.30–€95.45
- Amazon Germany median price
- €18.99across 29,809 niches
- Units sold a year
- 250–500
- Units per listing a year
- 0–100
- Revenue per listing a year
- €0–€3K
- Returns
- 1.7%of orders · Amazon Germany median 1.1%
03 · Entry bar
The bar here is ads and reviews.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 9.5% of listings are out of stock. The average listing ranks #3,355 within Baby- & Kleinkindspielzeug. It carries 2,143 reviews at 4.58 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 9.5%
- Average rank
- #3,355in Baby- & Kleinkindspielzeug
- Average rating
- 4.58 starsAmazon Germany average 4.37 stars
- Average reviews
- 2,143per listing
- Listings tracked
- 19
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 42 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 42 months
Products
Top Calculix products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 16, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
SumBlox Mini (Starter Set) - Set of 38 Mini STEM Solid Wood Educational Numbers Including Wooden Box and Pack of 36 Activity Cards (German)
- Price
- €36.46
- Rating
- 4.8/5
- Reviews
- 152
- Age
- 5y ago

SumBlox Mini (Basic Set) - 80 Holz Bausteine aus massiver Buche - Premium Zahlenbausteine Montessori Spielzeug - Mit 80 Aktivitätskarten in Deutsch zur Förderung des spielerischen Lernens.
- Price
- €59.01
- Rating
- 4.7/5
- Reviews
- 132
- Age
- 5y ago

SCBOY Montessori Spielzeug Intuitibrix Aus Zahlen Lernen Holzspielzeug Addition Und Subtraktion Innerhalb Von 20 Mit Aufbewahrungstasche Für Kinder Ab 2 3 4 5 6 Jahre
- Price
- €12.34
- Rating
- 4.4/5
- Reviews
- 16
- Age
- 2y ago

PKKP 20 Stück Number Blocks Holz Zahlenblocks Spielzeug mit 15 Zahlenstapelkarten Sensorik Holzbausteine Bausteine Zahlen Lernen Montessori Spielzeug ab 3 Jahre Solid Wood Building Blocks
- Price
- €7.83
- Rating
- 4.4/5
- Reviews
- 54
- Age
- 1y ago

20 Stück Number Blocks Sensorik Holzbausteine Bauklötze Holz Zahlen Lernen Montessori Spielzeug ab 3 Jahre Zahlenblocks Spielzeug mit 15 Zahlenstapelkarten Numberblocks Geschenke für Kinder (A)
- Price
- €7.30
- Rating
- 4.7/5
- Reviews
- 15
- Age
- 1y ago
Trending
estimated 90-day click momentum
KISPATTI Montessori Brettspiel aus Holz ab 3 Jahre - 45 Stück Number Blocks Holz Zahlenblocks Spielzeug mit Mathe Lernspiel & Feinmotorik Spiel Geschenk Junge Mädchen
- Price
- €15.77
- Rating
- 4.6/5
- Reviews
- 8
- Age
- 4mo ago

WISSNER RE-Wood Rechenstäbe 100 Stück in 10 Montessori-Farben nachhaltige Cuisenaire-Stäbe aus Holz schadstofffrei & stabil
- Price
- €20.51
- Rating
- 4.4/5
- Reviews
- 108
- Age
- 5y ago

20 Stück Number Blocks Sensorik Holzbausteine Bauklötze Holz Zahlen Lernen Montessori Spielzeug ab 3 Jahre Zahlenblocks Spielzeug mit 15 Zahlenstapelkarten Numberblocks Geschenke für Kinder (A)
- Price
- €7.30
- Rating
- 4.7/5
- Reviews
- 15
- Age
- 1y ago

WISSNER RE-Wood Dienes Grundsortiment (121 Teile) Lernspielzeug
- Price
- €22.27
- Rating
- 4.5/5
- Reviews
- 682
- Age
- 10y ago

Lasoba Holz Zahlbausteine Große Ziffernblöcke 1-10 32 Stück Mathebausteine Zahlenspiele für Kinder Bildungsbausteine für Kleinkinder Spielzeuge zum Lernen von Zahlen für 3-Jährige +
- Price
- €41.76
- Rating
- 4.7/5
- Reviews
- 22
- Age
- 2y ago
Newest
by launch date
KISPATTI Montessori Brettspiel aus Holz ab 3 Jahre - 45 Stück Number Blocks Holz Zahlenblocks Spielzeug mit Mathe Lernspiel & Feinmotorik Spiel Geschenk Junge Mädchen
- Price
- €15.77
- Rating
- 4.6/5
- Reviews
- 8
- Age
- 4mo ago

MONTINATUR Montessori Holzspielzeug ab 3 Jahren 3-in-1 Lernbox aus Holz: Buchstaben Lesen Lernen Zahlen & Rechnen Lernspielzeug Kinder Geschenk zur Einschulung & Vorschule
- Price
- €30.18
- Rating
- 4.2/5
- Reviews
- 31
- Age
- 1y ago

20 Stück Number Blocks Sensorik Holzbausteine Bauklötze Holz Zahlen Lernen Montessori Spielzeug ab 3 Jahre Zahlenblocks Spielzeug mit 15 Zahlenstapelkarten Numberblocks Geschenke für Kinder (A)
- Price
- €7.30
- Rating
- 4.7/5
- Reviews
- 15
- Age
- 1y ago

PKKP 20 Stück Number Blocks Holz Zahlenblocks Spielzeug mit 15 Zahlenstapelkarten Sensorik Holzbausteine Bausteine Zahlen Lernen Montessori Spielzeug ab 3 Jahre Solid Wood Building Blocks
- Price
- €7.83
- Rating
- 4.4/5
- Reviews
- 54
- Age
- 1y ago

Dr. MUYA Spielzeug ab 3 4 5 6 Jahren Montessori Spielzeug ab 3 Jahre Kinderspielzeug ab 3 Jahre Zahlenbausteine Holzbausteine Bauklötze Geschenke für Mädchen Jungen Kinder
- Price
- €13.98
- Rating
- 4.5/5
- Reviews
- 43
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 65% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 rising
Sellers
44
Est. top-5 brand share
84%
Top 20: 100%
Est. top-5 click share
65%
Top 20: 100%
Open market
12%
- SumBlox53%
- WISSNER10%
- Lasoba8%
- SCBOY7%
- PKKP5%
- XUDUOO5%
- Open — no brand owns it (5 brands, 12%)
Demand
Calculix search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Sep, Oct · busiest ÷ quietest = 3.3×
Search terms
Top Calculix search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- intuitibrix8K/yr
- sumblox5K/yr
- zahlenbausteine4K/yr
- calculix zahlenbausteine2K/yr
- calculix2K/yr
Reviews and returns
What reviews say buyers love and hate about Calculix
We read the reviews and the return reasons for every product selling here.
“Dieses Produkt ist fachlich falsch”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
20 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Calculix questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data








