Word Definition
What's in the category
100

Describe the word "Book"

Pages, story, pictures, chapters

100

Red, Blue, Green, Yellow

The Category is colors 
200

Describe the word "Bicycle" 

Two-Wheels, we ride a bike, pedals, transportation 

200

Square, Circle, triangle

This category is Shapes

300

Describe the word "Tree" 

Leaves, roots, green, branches


300
Cat, Dog, Fish, Elephant

This category is Animals