Sumbloom API · APIs & MCP
120 printable number puzzles, answers included
Original number puzzles for apps, classroom tools, newsletters and AI agents: 1,800 solver-checked Cage Grids (4x4 to 6x6, exactly one…
Store › Books & printables › Sumbloom Puzzle Book
120 printable number puzzles, every answer included.

| # | Kind | Level | Puzzle |
|---|---|---|---|
| 1 | Target | Easy | 4 5 6 9 9 20 → 99 |
| 31 | Cage Grid 4×4 | Easy | 10 cages, one solution |
| 51 | Cage Grid 5×5 | Medium | one solution |
| 71 | Cage Grid 6×6 | Hard | one solution |
| 111 | Brick Pyramid | Hard | 5 givens, algebra needed |
from the book's puzzles.json, Sumbloom Puzzle Book Vol. 1 v1.0.0
120 printable number puzzles, every answer included.
Buy nowSchool Licence: 120 printable number puzzles for every teacher at your school.
Buy now120 printable number puzzles, every answer included. Screen-free math practice that feels like a game: Target puzzles, Cage Grids and Brick Pyramids, from warm-up to brain-burner, in a print-ready PDF for home or your whole class.
Try one free first: play a Cage Grid in your browser and download an 18-puzzle sampler with answers: CyberMax hub/sumbloom-book/index.html
What's inside (36 pages)
Made for morning work, early finishers, math centres, sub plans and enrichment (about grades 3–8 and up), homeschool, tutoring, travel and puzzle lovers of any age.
Pricing: $5 one-time, about 4 cents a puzzle, with classroom copies included. Need it for a whole school? The School Licence is $19.
FAQ
Licence: unlimited copies for your household, plus unlimited classroom copies for one teacher's own students. No reselling, re-uploading or posting the PDF publicly. Instant download, one-time payment. © 2026 CyberMax.
Checkout is handled by Polar. Your download, licence key or API key and your receipt arrive by email right after payment.
Yes. If it doesn't work as described, email us within 14 days and we fix it or refund you in full. See the refund policy.
Card details go only to Polar (merchant of record, payments by Stripe). CyberMax never sees them; sales tax or VAT is calculated at checkout.
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Prices and plans generated from live Polar data on 27 Sep 2026.