This app has better graphic and animation compare to Lightbot and has a better story to follow. But in some levels it can get a little difficult

Ref: SpriteBox

This app will give the kids the freedom to build what they like with very easy and simple tools. They can make a game and play with each other. This is the very beginning to the coding world.

Ref: ScratchJr

This code.org website is very well designed with nice curriculum and tutorials will guide kids through the steps.

Recommended course

Grade 4: Course E https://studio.code.org/s/coursee

Grade 5: Course F https://studio.code.org/s/coursef

Ref: Code.org

This nice, cute and fun robot, is one of the best robots to help kids to learn how they can give instructions to a robot and write a program by putting actions steps by step together

Ref: Wonder workshop

This nice, cute and fun robot, is one of the best robots to help kids to learn how they can give instructions to a robot and write a program by putting actions steps by step together

Ref: Sphero