Blockly Games

Google provides a series of free and open source educational games that can help you learn programming. The series is called Blockly Games.

Go to https://blockly.games/puzzle?lang=en and play with Blockly puzzle

Programmers can connect programming structures together by dragging and attaching the appropriate blocks.

Blockly is a visual programming tool created to help beginners understand the concepts of programming. By using a number of block types, Blockly allows a user to create a program without entering any lines of code. This is shown in Figure:

Blockly puzzle -  is a quick introduction to Blockly's shapes and how the pieces snap together.

Blockly implements visual programming by assigning different programming structures to colored blocks. The blocks also contain slots and spaces to allow programmers to enter values required by the structure.