Block! Hexa Puzzle - Block! Hexa Puzzle
Tux Paint - Tux Paint is a free, award-winning drawing program for children ages 3 to 12 (for example, preschool and K-6).
Hex-a-Hop - Hex-a-Hop is a hexagonal tile-based puzzle game with one simple goal: destroy all green tiles! There are infinite undos and no time limits.
Kid Pix - Kid Pix is a bitmap drawing program aimed at children.
15 Puzzle - The classic 15-puzzle now online
Lil' Picasso - Lil Picasso is a coloring and creativity package for children.