Description
This tools is consist with a board and 100 Pcs. of 4 colours beads. This product is used to investigate square numbers and triangular numbers.
This tools is consist with a board and 100 Pcs. of 4 colours beads. This product is used to investigate square numbers and triangular numbers.
Copyright 2022 MANIKARN SCIENTIFIC WORKS | All Rights Reserved
Reviews
There are no reviews yet.