NT$900.00 NT$500.00
24 booklets of subtraction tables for the numbers 1-18 with subtrahends in descending numerical order.
LCM20塞根板A+B
LCM05活動數字組
LCM12木製大數字卡1-9000
LCM01數棒
LCM09數字與籌碼
LCM27-1減算組
LCM15木製小數字卡1-9000
LCM23分數嵌板﹙圓形分割﹚
LCM21s 1-100數字板、訂正版
LCM19銀行遊戲
LCM11分數小人檯
LCM22s 乘法板、訂正版