The Raspberry Pi is a low cost, credit-card sized computer that plugs into a computer monitor or TV, and uses a standard keyboard and mouse. It is a capable little device that enables people of all ages to explore computing in fun and educational ways! It has been around since 2011, and it is now in it’s 4th version, the PI4B.
The Raspberry Pi4b comes in 3 models. The only difference being the amount of RAM, 1gb, 2gb, and 4gb. A Raspberry PI4B can be purchased from many different online vendors for $45 to $65, depending which model you choose.