Jumping lines game would be awesome for children to learn gross motor skills. It would help them be active and involved at the same time with learning. Gessell would approve of this because it helps with physical growth.
20+ Simple Hands-On Activities That Help Build Fine Motor Skills - with fine motor skills going missing at preschool, try some of these hands-on invitations to help strengthen fine motor skills | you clever monkey
Spray (bottle) painting - help strengthen grip and control while spray painting with a spray bottle! Make it extra educational by adding letters, numbers, or sight words for students to spray as they are called out. The activity is great for letter recognition, letter sounds, letter associations, hand grip, fine motor control, gross motor control, and following directions.