Okay kiddo, have you ever played in a sandbox? It's a playground area filled with sand where children can build castles, dig and play with toys. So, the 'sandbox effect' is quite similar to that.
When we talk about the 'sandbox effect' in the computer world, it means creating a safe and secure space where you can play with different apps and programs without actually affecting the rest of your device.
Just like how you can build and destroy sandcastles in the sandbox without affecting other areas of the playground, a computer's sandbox is a virtual container where you can safely download, test and run software programs.
The key advantage of using a sandbox is that if you download a virus or a malicious program, it won't be able to harm your whole device like it would if it were downloaded directly onto your computer. The virus or malware will be stuck in the sandbox and won't be able to get out and infect other areas of your device.
It's like having a safe and secure space for trying out new things on your computer without worrying about damaging anything important!