LCM37大數數架﹙串珠架﹚
LCM39-2 代數二項式
LCM39二項式
LCM40-2三項式
LCM40三項式
LCM41 1-10珠子台階 Bead Stair Tray
LCM43 正方體彩珠 Bead Cubes Indiv. Beads
LCM45 金色珠子正方形 Golden Bead Cube of 1000 , Individual Beads
LCM46-1 黑白珠 5 Sets of Black and White Bead Stairs
LCM46-2彩色珠 5 Sets of Colored Bead Stairs 1-9
LCM46-3 灰色串珠5套 5 Sets of Gray Bead Bars
LCM47-1 一片金色珠子正方形 Golden Bead Square Of 100, Individual Beads
