De omschrijving: 25 closely spaced brass nails on a high-contrast work surface. Children will develop and refine small motor control as they stretch rubber bands to make shapes and patterns. A classic choice for experimenting with geometric shapes, add a board to your Sensorial activities for another variation on making patterns. The nail heads help rubber bands stay put. Particle board, 7¾" square with beveled edges. Made in U.S.A.