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Investigating And Looking: Box 2

Contains an optic wonder, red diffraction tube, blue diffraction tube, yellow diffraction tube, green diffraction tube, 4 stainless steel balls,...

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Contains an optic wonder, red diffraction tube, blue diffraction tube, yellow diffraction tube, green diffraction tube, 4 stainless steel balls, marble tree with 4 marbles, water labyrinth maze board and instructions.