Toddler development milestones can vary from child to child, but here are some general guidelines for the developmental milestones typically achieved by toddlers between the ages of 1 and 3 years old:

Physical Development:

1. Walking: Most toddlers begin walking independently between 12 and 15 months.
2. Running: Around 2 years of age, toddlers start running with increased coordination and balance.
3. Climbing: Toddlers become proficient climbers, scaling furniture and playground equipment.
4. Fine Motor Skills: They can stack blocks, turn pages of a book, and begin to hold and use utensils.
5. Self-feeding: By 18 to 24 months, toddlers can use a spoon and drink from a cup with assistance.
6. Scribbling: Around 2 years old, toddlers start making marks with crayons or markers.

Cognitive Development:

1. Object Permanence: Between 9 and 12 months, toddlers understand that objects still exist even when they are out of sight.
2. Problem Solving: They can solve simple problems, such as figuring out how to open a door or find a hidden toy.
3. Language Development: Toddlers typically have a vocabulary of 50 to 100 words by 2 years old and can combine words into simple sentences.
4. Pretend Play: Around 18 months, toddlers engage in imaginative play, pretending to feed dolls or talk on a toy phone.
5. Sorting and Matching: By 2 years old, toddlers can sort objects by color or shape and match simple objects.

Social and Emotional Development:

1. Separation Anxiety: It is common for toddlers to experience separation anxiety between 12 and 24 months.
2. Empathy: Toddlers begin to show empathy and comfort others who are upset.
3. Parallel Play: At around 2 years old, toddlers play alongside other children but may not actively engage in cooperative play.
4. Self-Expression: Toddlers start expressing their preferences, emotions, and desires using words or gestures.
5. Independence: They strive for independence, wanting to do things on their own, like dressing themselves or feeding.

These milestones are general guidelines, and it’s important to remember that each child develops at their own pace. If you have concerns about your toddler’s development, it’s always best to consult with a pediatrician or child development specialist.