About this site
About NumberblocksGenerator.net
NumberblocksGenerator.net is an independent browser-based creative-play site. Its first-party Numberblocks Playground lets visitors build, customize, and play with Numberblocks in 3D.
- Product
- Numberblocks Playground in 3D
- Built by
- Directly on NumberblocksGenerator.net
- Local data
- Saved in your browser
First-party product
About the Numberblocks Playground
The Numberblocks Playground is built and maintained directly on NumberblocksGenerator.net. Its 3D creator, Physics Toys, local saves, and image export are first-party site features, not a third-party embedded project.
Use the 3D Numberblocks Generator to build a custom number, set its layout and style, and add it to a scene.
Publisher
Who builds it
Built by NumberblocksGenerator.net. The site maintains the Numberblocks Playground, its local tools, and its product documentation.
Product testing
How the playground is tested
The Numberblocks Playground is tested in desktop and mobile Chromium-based browsers, including 1440 × 1000 and 375 × 812 layouts, before product updates are published.
Local data
What stays in your browser
Settings and saved characters stay in your browser. Saved data is not automatically synced across devices or browser profiles.
Known limits
Known limits
The 3D playground has a few practical limits to keep in mind.
- The 3D scene needs WebGL. If WebGL is unavailable, the on-page fallback remains available instead.
- Large scenes or large Numberblocks can use more graphics memory and run more slowly on lower-powered devices.
- Saved characters are not synced between devices or browser profiles.
Updates
Ongoing maintenance
The Numberblocks Playground is actively maintained. Recent user-facing changes are kept in the update log.
Community projects
How third-party projects are handled
Community projects are supplementary to the site's original tools. The site does not claim to create the community projects featured in its external players. Those pages add publisher guidance, source credit, version-specific context, and troubleshooting instead of presenting an embed as original work.
Creator names and original-platform links are shown near the player when known. Project availability, permissions, comments, downloads, and external links are controlled by their respective creators and platforms.
The site is designed for browser-based creative play and for adults who want to preview a project before sharing it with a child or class. Parents and teachers should still review third-party project notes, comments, and external links before using them in a lesson.
No account is required to use the site's original builder. Some in-page or linked players are hosted by third parties and follow their own policies.
Brand note
Independent fan-made status
NumberblocksGenerator.net is an independent fan-made site. It is not affiliated with, endorsed by, or sponsored by the official Numberblocks brand, BBC, CBeebies, Alphablocks Ltd, or Blocks Universe.