Cheap Maths Teaching Aids Cubic centimeter, cubic decimeter model Understanding Volume Units (Volume Unit Demonstrator) Mainly understand the rate between 1 cubic centimeter and 1 cubic decimeter. The specifications of the cube are: one 10cm脳10cm脳9cm cuboid, one 10cm脳9cm脳1cm cuboid, one 9cm脳1cm脳1cm cuboid and one 1cm脳1cm脳1cm small cube, each cube is engraved with a 1cm Square, plastic material,...