Popeye the Crab (named for his eye that continually popped off during construction) is a LEGO creation fabricated by a 14 year old boy. Popeye walks with a 3-point motion and runs automatically with a switching system on the back, which controls the pneumatic legs.

In a first grade class, students built cars using motors, pulleys and basic bricks. They added plows to the front to clear the "snow".

In this lesson, students will design and build a wheelchair that can hold a load about the size of a water bottle. Students will build their wheel chairs using the engineering design process and must follow specific design requirements.

This is part of the curriculum unit “Robot...

Eighth-grade students built LEGO balances that were accurate to within half a gram.

Eighth-grade students built LEGO balances that were accurate to within half a gram.

I am trying to create a wireless remote control program for the RCX. I reckon I'm almost there, with a relatively efficient program (has to be, for wireless download!). However, whenever I try to send it to the robot, it comes up with a window saying:
"
PROGRAMMING ERROR: You can only ...

This activity is an introduction to building with the NXT or RCX. Have the kids build a vehicle without motors that will roll down a ramp. The objective is to have the car roll as far s possible. Make sure to introduce concepts such as gravity, friction, and sturdy building with the legos.

This is a great introductory activity to mechanical engineering. Simple machine kits were used to create sturdy carts, which would transport a pumpkin (orange marble) and its passenger (lego figurine) down a ramp.

Determine the best structure for a sturdy car. Motors do not have to be attached, but the car must roll with wheels and skid plates. To test the car design drop the car from a height of 4in to check if it survives.

Picture of an underwater robot middle school students made.