As a precursor to Ten Frames, Five Frames support number sense for preschool students and also work as a scaffolding tool for kindergarten students. Five and ten frames (sold separately) help students to relate given numbers to 5 and 10 by providing a visual image. The frames may be filled in from left to right so that students can learn to subitize. Encourages counting strategies beyond counting by one or counting on each time they are asked to identify a number or work on an addition or subtraction problem. Five Frames helps build part whole understanding and builds a solid foundation for anchoring fives before moving to tens. Warning Choking Hazard Small Parts not for childern under 3 years. Each set includes 4 interlocking foam boards with 20 two-color foam pegs.