The Classic Number & Counting Tool Made to Last. Sensational Math™ Hands-On Tally Marks™ resemble those hand-made popsicle stick tally mark manipulatives teachers have been making for years, but are made of sturdy, color-coded, molded plastic. With three tally mark styles of ones, fives and tens, these hands-on teaching aids are ready-to-use for the endless supply of math lessons. The perfect size, these manipulatives are all 3.75" high. The ones are .375" wide, fives 2.25" wide and tens 4.5" wide. We included a full-color teaching guide with tips and suggested lessons. The set comes in 4-color box with plastic storage tray to keep everything organized. Includes: Molded Plastic Tally Marks 10 Tens, 20 Fives, 20 Ones, & teacher's guide.