Try out these hand strengthening activities for kids. The fun fine motor activities will build and improve strength in little hand muscles. From squeezing activities to hole punch and plunger activities, these ideas to increase hand strength are perfect for preschool, pre-k, kindergarten, occupational therapy classrooms, and at home. From theraputty, toys like squigz, and squirt guns your preschoolers will love these ideas. Check them out today.