We teach kids
to build real things
A live online coding academy with curriculum designed by Harvard alumni mentors. Ages 8–18. Same teacher, 16–24 weeks. 150 projects. STEM.org accredited. Not tutorials — real building.

Building products
since 2018
Fueled by the passion to transform a child’s potential, Ajay Pathak founded Own Sandbox to bridge the gap between what children learn today and what the future demands.
8+ years shipping real products — SaaS tools, e-commerce platforms, creative agency sites, AI products, and mobile apps for clients across 6 countries. He teaches every single class. No rotating instructors. One mentor, entire programme.
Through Own Sandbox, Ajay is on a mission to empower children everywhere with the confidence, skills and mindset they need to become tomorrow’s creators, problem-solvers and leaders.
What we believe
Imagination first
We start with what your child wants to build.
Weird ideas welcome
Cat-rating AI? Physics for fun? All of it.
Mistakes are curriculum
Debugging is where real growth happens.
One teacher, always
No rotating instructors. One mentor, 24 weeks.
Community matters
Hackathons, code review, Demo Day.
What they build
3D Racing Game
Three.js + Cannon.js
AI Exam Predictor
OpenAI + Claude APIs
Mobile E-Commerce
React Native + AI
Full-Stack SaaS
React + Stripe
Fractal Explorer
Mandelbrot — maths = art
Gravity Simulator
F=ma on different planets

STEM.org Accredited · Harvard Alumni-Designed
Our curriculum is designed by Harvard alumni mentors and officially accredited by STEM.org — meeting the global standard for rigorous content, proven pedagogy, and measurable learning outcomes.