The number frames (ten frame) help children understand addition, subtraction, and multiplication with numbers 1-20. Match the number of cylinders to the frames with the number you see at the base. Instructions are included in the package.
Dimensions: cm 22.8 x 7.0 x 1.2 | inch 9.0 x 2.8 x 0.5 (base)
Age: +3 years