Cognitive development milestones are important steps that a child will take in learning specific skills related to cognition. 

These skills include decision-making, problem-solving, understanding, and memory.

Toddlers are able to place objects into containers. Such as placing blocks into a bucket.

When playing, a child will try to use the switches, knobs, and buttons on toys. Busy Boards are great to encourage this milestone.

Can point to specific colors when shown a picture and asked questions such as "Which fish is green?"

Children in the toddler stage will play with toys in a simple way such a pushing a toy car. 

Language development milestones are important steps that a child will take in learning specific skills related to language and communication.