Montessori MASTERKIDZ Hourglass Set - Learning About... Masterkidz ME05243 beenhere A set of four hourglasses that measure the following distances in time: 1 minute, 2 minutes, 3 minutes, and 5 minutes. They can be used to explain time and how quickly it passes, as well as to perform mathematical calculations based on time. View
Wall and Freestanding Boards MASTERKIDZ Solar System Educational Board Masterkidz ME14399 beenhere View
