Engaging in age-appropriate activities is essential for the brain development of toddlers aged 1 to 3 years. Here are some activities you can do at home to support their cognitive, motor, and social-emotional development:

1. Building with Blocks:
- Allow your child to stack and build with different types of blocks. This promotes fine motor skills, spatial awareness, and creativity.

2. Puzzle Play:
- Introduce simple puzzles with large pieces. This helps with problem-solving, hand-eye coordination, and cognitive development.

3. Art and Craft:
- Provide safe art supplies like crayons, markers, and finger paints. Encourage your child to express creativity through drawing, painting, and crafting.

4. Sorting and Matching:
- Use toys or household items for sorting and matching activities. This helps develop categorization skills and visual discrimination.

5. Sensory Bins:
- Create sensory bins with materials like rice, beans, or sand. Let your child explore textures, shapes, and objects hidden within the bin.

6. Outdoor Play:
- Outdoor activities like running, jumping, and playing with balls enhance gross motor skills and provide fresh air and physical exercise.

7. Nature Exploration:
- Take nature walks in the backyard or nearby park. Allow your child to explore different textures, observe plants and animals, and engage in simple nature-related activities.

8. Storytime:
- Read age-appropriate books with colorful pictures and simple stories. Encourage your child to ask questions and discuss the story together.

9. Role-playing:
- Provide dress-up clothes and encourage imaginative play. This helps develop creativity, social skills, and emotional intelligence.

10. Kitchen Play:
- Allow your child to play with safe kitchen utensils and containers. This can improve fine motor skills and introduce concepts like pouring and stirring.

11. Music and Dance:
- Play music and dance together. This not only promotes physical activity but also enhances rhythm, coordination, and a love for music.

12. Building Forts:
- Use blankets and cushions to build forts or playhouses. This encourages imaginative play and spatial awareness.

13. Simple Cooking Activities:
- Involve your child in simple cooking activities, like stirring ingredients or helping with measuring. This introduces basic math concepts and enhances fine motor skills.

14. Shape and Color Recognition:
- Play games that involve identifying shapes and colors. Use toys, household items, or create DIY activities to reinforce these concepts.

15. Water Play:
- Allow your child to play with water, either in a small basin or during bath time. Provide cups, funnels, and toys to enhance sensory experiences.

Remember to adapt activities based on your child's interests and developmental stage. Be present and engage in these activities together, providing a supportive and stimulating environment for your child's overall development.