Pencil fidgets - They allow the student to have something to move around in their hands. Students that require such fidgets have a need for sensory stimulation, and fidgets provide that within the classroom setting. I know about 50 kids... and myself who would benefit from these.
Blog post from Science Stuff. You can make your lessons on evolution and classification really snap by including these interactive notebook pages into your classroom routine. Use as warm ups, bell ringers or fantastic homework assignments. Topics include Darwin, natural selection, the evolution of populations, Hardy Weinberg, and classification of organisms.