Six Piece
Demonstrate conservation of size, by providing different shapes that hold the same ratio volume. Includes 6 clear solids: cone, sphere, cylinder, cube, pyramid as well as rectangular prisms. Opening provided for easy filling. Pyramid: 10cm square, Rectangular Prism: 10 x 5 x 10cm tall, Cylinder: 10 x 10cm, Square Prism: 10cm cube, Sphere: 10cm diameter, Cone: 10cm diameter. Ages 6+ years
 
Eight Piece
Volume relationship set of 8 pieces. All the models are relational in size to each other with inner dimensions of 100mm or appropriate conversions. This product is designed to teach students the relationship of shapes & dimensions concept.
You canfill them with liquids, sand and so on. Suitable for ages 6+ years.