From the top, moving clockwise,

 

Stirrer and Lightning Sword, Emmy

It makes soft rainbows and lightning strike that

Sparkles.

The lightning sword wacks away lightning.

 

Gravity Maker, Hattie

It makes gravity when you blow into it.

 

Cars for Kangaroos, Lyra

Each car has a stuffy in that rides along.

 

The Slug, Teagan

It flies through lightning.