Physics
Lemon Battery
Light up a small LED using nothing but lemons, copper coins, and zinc-coated nails.
💰 Under ₹20⏱ 30-60 min📊 Easy
Tiny budgets. Big experiments.
Every experiment uses things you already have at home or can find for under ₹100. Pick one, gather your materials, and start asking questions.
Environment
DIY Bottle Water Filter
Build a layered sand-charcoal-gravel filter inside a plastic bottle and watch muddy water turn clear.
💰 Under ₹20⏱ 30-60 min📊 Easy
Chemistry
Baking Soda Volcano
Trigger a foamy chemical eruption with baking soda, vinegar, and a pinch of dish soap.
💰 Under ₹20⏱ Under 30 min📊 Easy