LINKABLE ABACUS

CONTENT：
139 pc per set
Base x 5 pcs
Rod x 5 pcs
Cube x 75 pcs
Card x 54 pcs

Packed in a plastic lockable box.

FEATURES：
● Help kids learn about place value and base-ten number system.
● Connect all 5 bases cater for numbers up to 99,999.
● Easy to sort and practice adding/subtracting with 5 colors cubes and number cards representing 5 digits.
● Improve eye-hand coordination and basic math skills.