Fidget Toy

You will need access to a Tinkercad account for this project.
Add Fidget Spinner

Add a fidget spinner from the featured shape generators on the right side of your screen
Add Cylinder

Add a cylinder with 22 length 22 width and 50 height
Merge

Add another fidget spinner and merge it with the cylinder
Add Half Sphere

Add a half sphere and change its length and with to 22
Merge Together

Merge the half sphere with the fidget toy for a smooth top
Final Product

Add another sphere, turn it 180 degrees and merge it to the bottom of the toy.