YOUR TAX-DEDUCTIBLE CONTRIBUTION PURCHASES THIS ITEM FOR OCS - THANK YOU! Everything you need to reinforce Common Core standards for foundational skillsin one activity-filled center that comes ready to use! Our center comes with enough materials for up to 4 students to work at onceincluding 4 sets of hands-on materials and 12 activity cards that are both write & wipe and reproducible. Weve even included a handy reference card that lists all 12 activities and the standards each is aligned toso you can easily choose the skills you want children to focus on.