Transparent shapes, their matching fold-flat nets and activity cards are perfect for exploring geometry and spatial relations. Students describe, build and compare shapes while focusing on area, perimeter and volume. The 32-piece set combines the Folding Geometric Shapes in both 3D and 2D form. Each shape measures about 1 1/4 in. Size: 31 x 31.5 x 8.6 cm. Ages 7+.