Mini Challenges!
New inventive challenges posted each week
155
Collecting rain water
Design a raincoat made out of plastic bags that collects water to use
Check out some other challenges
Prev![](https://www.littleinventors.org/media/image/f120af9c6-1963-c637-f801-70cedbcf2626?cts=1721229498)
![](https://www.littleinventors.org/media/image/f66e99da0-c04a-c61d-f701-40d849d926e9?cts=1721229498)
![](https://www.littleinventors.org/media/image/f68902e14-1edd-cb8c-f801-b06a6aee0508?cts=1721229498)
![](https://www.littleinventors.org/media/image/f2dbd3988-5b3d-c0be-f701-401d3c0864ff?cts=1721229498)
Next
549
Heat
Invent a device that generates heat
289
Ocean book
Invent and draw a book that you can read in the ocean, without it getting wet!
442
Picnic
Invent something to use on a picnic
372
Treat dispenser
Invent a dog treat dispenser
227
Peace and quiet
Draw an invention for times when you would like peace and quiet