No prep necessary! These ready-to-go learning centers come with everything you need all in one box. Simply open the box, take out the necessary materials and flip to an activity! There are 10 activities in each box. The activity cards are double sided to allow students to see the instructions no matter where they are seated around the table. Game-like activities are easy for students to follow independently or in small groups up to 4. Details:Box measures 10.5" x 8" x 2.75"Convenient magnetic closureFor grades K-2Contents: Pop-Up Easel Box 2 Mini Rekenreks 2 Spinners 4 Rekenrek Double-Sided Write ‘N’ Wipe Boards 20 Number Cards 4 Red Dry-Erase Markers Teacher's Guide