This classroom center kit comes loaded with everything needed to teach and reinforce measurement skills. Four - panel center is easy to set up and use, and contains manipulatives, Activity Cards and a 32 - page Activity Book that store in built - in pockets. Made of durable, easy - to - clean vinyl, this center folds flat for storage and carrying, and comes complete with the following materials: Measure for Treasure Length Activity Book, three folding meter sticks, set of 100 Link 'N' Learn Links, set of 20 Link 'N' Learn Activity Cards, set of 72 measuring Inchworms, 16 Double - sided Inchworm Activity Cards, 10 English/metric tape measures and 10 transparent rulers.