🐼
Pandas Playground
Write real pandas, step by step, on a live dataset — guided lessons, instant output, and a friendly mentor walking you through each line. Zero install.
Open Pandas Playground →
🎮 Flexing Data Playgrounds
Learn data by doing.
Free, no-setup playgrounds you run right in your browser. Pick a tool, mess around with real data, and build the muscle memory that lessons alone can't give you.
📊
Excel Playground
Formulas, pivot tables and clean-up drills — practised in a real spreadsheet, no Excel licence needed.
Shashank is building this with Claude — and you can too. Want to make it? Enter the contest below. 👇
🗄️
SQL Playground
SELECT, JOIN and GROUP BY against a real database in your browser — learn queries by running them.
Shashank is building this with Claude — and you can too. Want to make it? Enter the contest below. 👇
🏆 Build & Win
Build a playground.
Build a playground.
Win 1 month of Claude Pro.
Every playground here was built with Claude — and you can build one too. No big team, no fancy setup: just you and an AI pair-programmer.
Make your own learning playground as a single, standalone HTML file (Excel, SQL, statistics — anything data). Share it with Shashank, and if it's selected to go live on this page, you win 1 month of Claude Pro. 🎉
- 1Build it with Claude. One single standalone HTML file — all the code, styles and data in one place.
- 2Make it teach. Pick a data skill (Excel, SQL, stats…) and let people learn it by doing.
- 3Share it with Shashank. Email or WhatsApp your file — that's your entry.
- 4Get selected, get rewarded. If yours goes live here, you win 1 month of Claude Pro.
New playgrounds drop here as they're built. Questions? shashank@flexingdata.com