This probability helper bag keeps prying eyes from seeing what's inside. This manipulative is designed for use with (and is included in) the ShillerMath Kit I. Fourteen ShillerMath lessons use this item: Book 1 (4 lessons), Book 2 (9 lessons), and Book 3 (1 lessons). Colors may vary. Plastic bag with cord pull. Approximately 16" x 11".
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