You can simply use the Design Center and create a Tool Palette within a few clicks!
- Open the Design Center, you will find this on the View TAB of the Ribbon.
- If you have the standard drawing containing the Blocks open fine, otherwise browse to find the file. Expand the + sign, right click on the Blocks folder and select Create Tool Palette from the flyout menu.
- Your new standard Blocks Tool Palette will now appear.