The goal of the book is introduction into programming, mathematics, sciences for elementary school students.
for student self-study for Grade 3-5
very step-by-step explanation
With the ability in Scratch 2 to create your own custom blocks, I have put together a tutorial on how to implement recursion in Scratch 2. The tutorial comes in the form of a post on my blog.
A simple guide to making a maze game which relies upon several key scratch ideas such as broadcast and sensing of color intercations. The game is incomplete and is ripe for extending.