Rick Charette, kids’ singer, will make an appearance at the Maine Wildlife Parks from 11 a.m. to noon Saturday, Sept. 6. Many of the songs he will perform will be about Maine animals. Regular park admission fees will be in effect. National Grandparents Day will be celebrated Sunday, Sept. 7. Free admission will be offered to grandparents who are accompanied by their grandchildren. Regular entrance fees for all other family members will be in effect. See www.mainewildlifepark.com for details.