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Blue Ribbon Marketing


Express and explore relative sizes by placing smaller blocks into the associated grooves on larger blocks to configure gradation of sizes and shapes.

SIZE:  W 6 ¾” x L 6 ¾” x HT 3” ( 17 x 17 x 7.5 cm.)
AGES:  18 Months+

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    on orders over THB 1,500

    in Thailand

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