LEGO® Education Early Simple Machines
This set provides
full-colour instructions for building eight mechanical models, and
allows you to include gears, levers, pulleys and axles into any DUPLO
model that you might have.
* Exploring basic mechanical principles, such as gears, levers, pulley, axles
* Developing problem-solving and logic-thinking skills in a fun way
* An excellent foundation for further Machines and Mechanisms use, as well as Robotics