Building a robot without wheels

In this section, we are going to build a robot that can hop, as shown in the following image:

Figure 3.1

Let's build the robot by following these building instructions:

1. Take your BOOST Hub. Ensure that all six batteries are fully charged:

   Figure 3.2

2. Take two 3M pegs and connect them with the BOOST Hub:

   Figure 3.3

3. Now take a 7M beam and connect it to the pegs that you just attached to the BOOST Hub:

   Figure 3.4

4. Now take a 16M Technic beam and connect it to the 7M beam:

   Figure 3.5

5. Now, take a full bushing, a 1x2 beam with cross and hole, a 5M cross axle with an end stop, and a 4x4 Technic angular beam. Take this angular beam and the 1x2 beam and pass your 5M cross axle through this. Make sure that this axle passes through the cross of the 1x2 beam. Now, place the full bushing between the hub and the Technic beam and push the axle in until it is connected with motor port B:

   Figure 3.6

6. Let's build...