American Educational Products Primary Kubic Bubbles Kit, Geometry Teaching Aid - Banom For decorative use only

American Educational Products Primary Kubic Bubbles Kit, Geometry Teaching Aid - Banom For decorative use onlyThe American Educational R KB1 primary cubic bubbles kit is used for visually proving geometry problems and demonstrating light refraction. The kit has reusable red, blue, green, and gray straws with joiners for constructing a cube, octahedron, prism, and tetrahedron. The completed frames can be dipped in soap glycerin for producing shapes with small surface areas (soap sold separately). The R KB1 includes a booklet that explains the formation of

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