1-5 pm, Aug. 4. Michigan charity Fleece & Thank You invites volunteers to purchase kits for making colorful, fleece blankets on Blanket Day. Hospitalized children will receive the blankets along with each maker’s video message of support. The goal for the day is 2,500 blankets. At Airtime Trampoline Troy, 662 E. Big Beaver, Troy. $24; purchase kit at crowdrise.com/FTYBlanketDay18. Info: fleeceandthankyou.org.