In this category, we add all the diy school project models for pre-college students Class 12 /Grade12.
Where students can do themselves step by step for their school exhibition or fair
Introduction A water dam is a large wall or barrier built across a river to stop and store water. The water collected behind the dam forms a big lake called a reservoir. This stored water is very useful for people, farms, and industries. Dams provide water for drinking, farming (irrigation), and factories. They also help … Read more
Introduction Air pollution has become one of the most serious problems of our time. With the increase in vehicles, industries, and burning of fuels like coal and petrol, the air we breathe is becoming more and more dirty. Polluted air contains harmful gases such as carbon monoxide, sulfur dioxide, and nitrogen oxides, along with tiny … Read more
This is a 3D atom model showing its internal structure.The center or nucleus contains protons and neutrons, while electrons revolve around it in orbits. Each component is represented with colored balls and glowing LEDs, controlled using switches.This model demonstrates how atoms are structured and the role of subatomic particles. Video Construction Steps: Step 1: Prepare … Read more
“This is a 3D model of the Periodic Table, made using cardboard and colored paper. Each tile represents one element, showing its atomic number, symbol, and category. The color coding helps you quickly identify metals, non-metals, gases, metalloids, and more. The 3D elevation makes it easier to see the element blocks and groups. How to … Read more
This is a 3D model of an animal cell using a quarter-cut plastic ball to show the inside. Each organelle is placed in its correct position. The nucleus controls the cell, mitochondria generate energy, the ER transports materials, and the Golgi body packages them. The cytoplasm fills the space, and the cell membrane controls what … Read more