Mainstreaming shouldn't cause a change of activities. It may necessitate slight modifications. While it is necessary to understand the nature of various disabilities, it is more important to plan for the children's capabilities. Allow all children to help plan activities. Don't be afraid to discuss failures.
Some children learn more slowly than others.
Don't be afraid to slow down. Teach others in the club about disabilities. Consider everyone's needs. Modify activities only as needed. Encourage members with disabilities to take leadership roles.