Introduce your kids to simple machines such as drills, ramps, wedges, and steering wheels with the seven fun, hands-on construction projects in this Knex kit. Find out the differences between inclined planes, wedges, and screws, and how to tell whether a wheel is turning an axle or vice versa.
Comes with 215 snap-together pieces and step-by-step instructions with simple explanations, all in a sturdy plastic storage case. Includes a CD containing the 39 page teachers' guide. Ages 8-12.
215 color-coded pieces
Instructions to build 7 models one at a time demonstrating the princliples of wheels and axles, inclined planes, and screws
A CD containing the 39 page teachers' guide with key terms, explanation of scientific concepts and everyday examples, and additional science experiments
Supports 3 students working as a team
Packed in a strong, stackable storage case with moveable dividers and transparent, lockable lid
Key science concepts that can be taught and learned with this kit include:
Test models and identify whether the wheel turns the axle or the axle turns the wheel
Discuss how the size of the wheel and axle affect the work performed Identify and differentiate between inclined planes, wedges and screws and test them to determine how they operate
Compare and contrast how these different machines function and determine why they are categorized together
small partsWARNING: CHOKING HAZARD - Small parts. Not for children under 3 yrs.