This set from Learning Resources is a great way for kids to visualize abstract early math concepts such as fractions.
Characteristics: This set of visual aids makes learning fractions fun and easy for kids. Includes 51 proportional, colorful plastic pieces representing 1 whole, 1/2, 1/3, 1/4, 1/5, 1/6, 1/8, 1/10, and 1/12. Also includes plastic tray, teacher's guide, and 2 sticker sheets.
Size: 10 x 13 x 1 1/3 inches
Age: 7-10 years