What Are Unique Blooks in Blooket?
Unique blooks are the second-highest rarity tier in Blooket, sitting above Chroma blooks and below Mystical blooks, with exactly two blooks in the tier.
The Unique rarity icon is a green four-pointed star gem. Neither Unique blook drops from market packs, and neither is awarded through competitive events or seasonal rankings. Obtaining a Unique blook requires a specific one-time action outside of standard gameplay.
The two Unique blooks are the Wise Owl and the Wise Caterpillar. The Wise Caterpillar is sometimes called the "Khanmigo Blook" or the "unique worm" in community discussions. All three names refer to the same blook. The Unique rarity was added to Blooket on June 25, 2023.
Wise Owl and Wise Caterpillar: Side-by-Side
The two Unique blooks differ in sell value, Blook Score, obtainability status, and the actions required to earn them.
| Wise Caterpillar | Wise Owl | |
|---|---|---|
| Status | Currently obtainable | Retired (June 2023) |
| How to get | Khanmigo AI on Khan Academy | ISTE 2023 LIVE, Philadelphia (ended) |
| Sell price | 300 tokens | 500 tokens |
| Blook Score | 10 | 40 |
| Pack family | Wonderland | Forest Animal |
| Holders | No cap (one per account) | ~189 accounts (last reviewed March 2026) |
| Sell-lock | Yes, permanent | Yes, permanent |
The "Wonderland Pack" and "Forest Animal Pack" labels are cosmetic pack family classifications only. Neither Wise Caterpillar nor Wise Owl drops from any pack in the market.
How to Get the Wise Caterpillar in Blooket
Getting the Wise Caterpillar takes five steps inside the Khanmigo AI tool on Khan Academy. No tokens, no packs, and no RNG are involved.
The correct entry point is khanacademy.org. A free standard account works; no teacher status is required.
Create or log into a free Khan Academy account at khanacademy.org.
In your Dashboard, go to the Discover section and open Khanmigo.
Select the Blooket Generator tool inside Khanmigo.
Add a minimum of 5 questions to your set.
The export option activates only after at least 5 questions are entered.
Select "Export to Blooket."
The set transfers to your Blooket account automatically. The Wise Caterpillar is awarded on your next Blooket login.
This process works once per account. Repeating it does not produce a second Wise Caterpillar. The one-per-account limit exists by design to prevent token farming.
Wise Owl: Retired Since June 2023
Wise Owl has been retired since June 26, 2023, and no method currently exists to obtain it.
The Wise Owl was available for a single 8-hour window at the ISTE 2023 LIVE education conference in Philadelphia. Players who attended in person visited the official Blooket booth at Booth 3065, scanned a QR code on display, and submitted their Blooket username through a private Google Form. Blooket developers manually awarded the blook to each account approximately one week after the event.
Approximately 212 accounts received the Wise Owl during that window. Around 189 still hold it as of March 2026 (last reviewed March 2026). By holder count, Wise Owl ranks among the rarest blooks in the game, rarer than most Mysticals and second only to Tim the Alien in overall scarcity.
Blooket has not brought the Wise Owl back for any subsequent event.
Players looking for the next hardest blooks to obtain can explore Mystical blooks, five blooks with near-zero holder counts across the entire Blooket player base.
Should You Sell Your Wise Caterpillar?
Selling a Unique blook is a permanent decision. The obtainment process cannot be repeated, and the blook cannot be repurchased from the market.
The Wise Caterpillar sells for 300 tokens. That amount buys 15 standard 20-token packs or 12 premium 25-token packs, none of which contain a Unique blook. The token gain is a one-time return; the loss is permanent on that account.
The Wise Owl sells for 500 tokens. Given that approximately 189 accounts still hold it, selling removes one of the rarest blooks in existence from your collection with no path back. There are no workarounds and no confirmed exceptions to the sell-lock on either blook.
If there is any uncertainty, the data points toward keeping the blook.
Frequently Asked Questions
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What is the rarest Unique blook in Blooket?
Wise Owl is the rarer of the two. Around 189 accounts hold it as of March 2026, compared to an uncapped number of accounts that can earn Wise Caterpillar through the Khanmigo process. By holder count, Wise Owl ranks among the rarest blooks in the entire game.
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Are there any codes for Unique blooks in Blooket?
No codes exist for Unique blooks. Wise Caterpillar requires the Khanmigo process on Khan Academy. Wise Owl required physical attendance at ISTE 2023 in Philadelphia. Any site claiming to offer codes for Unique blooks is inaccurate.
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Can you get both Unique blooks on one account?
Wise Caterpillar is available to any account that completes the five-step Khanmigo process. Wise Owl is retired; new accounts cannot obtain it under any current method. Accounts that previously held Wise Owl and sold it cannot recover it.
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What happens if you sell a Unique blook by mistake?
The blook is permanently removed from your account. Blooket does not restore sold blooks, and no market mechanism allows repurchase. The sell-lock applies to both Wise Caterpillar and Wise Owl with no known exceptions.
Browse Unique Blooks
Both Unique blooks in Blooket. Individual pages cover full obtainment details, sell-lock implications, and holder context.
Last reviewed: March 2026
