COBI vs K'NEX:Which is more popular?
In October 2026, K'NEX had more branded searches than COBI among building block toy brands worldwide. K'NEX had about 110,000 branded searches, while COBI had 18,600. K'NEX made up 0.92% of all building block toy brand searches we track, and COBI accounted for 0.16%. When we asked ChatGPT and Google AI Overviews about building block toy brands, COBI appeared in two of the four answers and K'NEX in one. COBI and K'NEX were each mentioned first in one of the two answers that named either.
Who do people search for more?
K'NEX, about 6 searches for every 1 for COBI
Who does AI recommend more?
Each is named first in 1 of 2 answers.
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Top building block toy brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and one Google AI Overview, COBI was mentioned in two out of four: in one of the three ChatGPT answers and in the Google AI Overview. K'NEX was mentioned in one out of four: not in any of the three ChatGPT answers, but in the Google AI Overview. COBI and K'NEX were each listed first in one of the two answers that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
LEGO4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
Mega3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
CaDA3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
COBI2 of 4Named in 1 of 3 ChatGPT answersNamed in 1 of 1 Google answers
BlueBrixx1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers- K'NEX1 of 4Named in 0 of 3 ChatGPT answersNamed in 1 of 1 Google answers
Brickmania0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
Sluban0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
See every answer about building block toy brands
4 answers
Asked ChatGPT
“What are the best LEGO alternatives?”
Asked ChatGPT
“Which building block sets are best for kids?”
Asked ChatGPT
“What are the best building block sets for adults?”
Searched Google, AI Overview
“building blocks”
Google showed no AI Overview for this search.
Searched Google, AI Overview
“lego alternatives”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 27, 2026.
Is COBI or K'NEX more popular in search?
This chart shows how often people search Google for COBI and K'NEX by name. Each line represents a brand's share of searches for all eight building block toy brands we track, month by month, from English-language searches worldwide.
Share of searches by month for K'NEX, COBI. The figures are in the table below the chart.
View monthly share of searches table
| Month | LEGO | BlueBrixx | Mega | K'NEX | CaDA | Brickmania | COBI | Sluban |
|---|---|---|---|---|---|---|---|---|
| Nov 2025 | 92.8% | 4.6% | 1.1% | 0.75% | 0.22% | 0.28% | 0.13% | 0.12% |
| Dec 2025 | 94.4% | 3.1% | 1.1% | 0.62% | 0.34% | 0.19% | 0.12% | 0.13% |
| Jan 2026 | 94.8% | 2.6% | 1.2% | 0.52% | 0.42% | 0.23% | 0.12% | 0.13% |
| Feb 2026 | 94.1% | 3.1% | 1.1% | 0.63% | 0.39% | 0.34% | 0.15% | 0.13% |
| Mar 2026 | 93.2% | 3.8% | 1.1% | 0.76% | 0.47% | 0.34% | 0.14% | 0.15% |
| Apr 2026 | 94% | 3.1% | 1.1% | 0.63% | 0.48% | 0.34% | 0.16% | 0.13% |
| May 2026 | 94.9% | 2.6% | 0.93% | 0.63% | 0.39% | 0.28% | 0.14% | 0.15% |
| Jun 2026 | 94.5% | 3.1% | 0.96% | 0.51% | 0.39% | 0.28% | 0.13% | 0.13% |
| Jul 2026 | 95.1% | 2.1% | 1.1% | 0.63% | 0.39% | 0.35% | 0.14% | 0.16% |
| Aug 2026 | 94.4% | 2.6% | 1.3% | 0.63% | 0.48% | 0.28% | 0.16% | 0.15% |
| Sep 2026 | 94.2% | 3.1% | 1.1% | 0.63% | 0.39% | 0.28% | 0.13% | 0.15% |
| Oct 2026 | 92.9% | 3.8% | 1.3% | 0.92% | 0.47% | 0.34% | 0.16% | 0.15% |
How has branded search for COBI and K'NEX changed worldwide over the last 12 months?
3 findings
- K'NEX was ahead of COBI in every measured month of the 12 months ending October 2026.
- Across the 12 months ending October 2026, COBI’s share of searches among building block toy brands worldwide moved from 0.13% to 0.16%, and its estimated monthly branded searches moved from 22.7K to 18.6K.
- Across the 12 months ending October 2026, K'NEX’s share of searches among building block toy brands worldwide moved from 0.75% to 0.92%, and its estimated monthly branded searches moved from 135K to 110K.
How did search popularity change for building block toy brands worldwide in October 2026?
2 changes
In October 2026, COBI rose from 8th to 7th among building block toy brands worldwide.
Estimated monthly branded searches for K'NEX worldwide fell 18.5% over 12 measured months, from 135K to 110K in October 2026.
How are COBI’s and K'NEX’s branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using COBI’s and K'NEX’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Other head-to-heads among building block toy brands
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