DWGFREE - DWGFREE is an online platform that comes with a comprehensive collection of CAD blocks that can be downloaded without the need for registration.
Tux Paint - Tux Paint is a free, award-winning drawing program for children ages 3 to 12 (for example, preschool and K-6).
CADMAPPER - Instant CAD files for any location on earth
Kid Pix - Kid Pix is a bitmap drawing program aimed at children.
Cadbull - Cadbull is a website that comes with an advanced collection of CAD blocks and DWG design, facilitating architects and designers to get done with their projects efficiently.
Lil' Picasso - Lil Picasso is a coloring and creativity package for children.