Learning Resources View-Thru Geometric Shapes. These modern and colourful transparent 3-D shapes provide a hands-on way for young learners to explore a variety of mathematical concepts. Specifically designed to introduce geometry, these durable plastic shapes also provide children with the opportunity to explore measurement, area, volume and capacity. Removable bases allow the shapes to be filled with liquids or solids and are easy to clean. Clear design enables children to see all angles and vertices. Includes large rectangle, small rectangle, large cube, small cube, large cylinder, small cylinder, large rectangular prism, small rectangular, square pyramid, triangular pyramid, hexagonal prism, sphere, cone and hemisphere. Shapes are relational and measure 3cm (small) and 6cm (large). Includes Activity Guide. Suitable for ages 8+