Python and Pygame will need to be installed first.
Follow these instructions carefully.

1. Install Python 2.6

http://www.python.org/ftp/python/2.6.6/python-2.6.6.msi

Save File (14.5M download)

Run python-2.6.6.msi accepting all defaults.

2. Install Pygame

http://pygame.org/ftp/pygame-1.9.1.win32-py2.6.msi

Save File (3M download)

Run pygame-1.9.1.win32-py2.6.msi accepting all defaults.

You can now install my activities in the usual way.
They will added to your Start Menu.

http://mulawa.net/download/olpc/Peter_Activities_No_1.exe   (29M download)

http://mulawa.net/download/olpc/Peter_Activities_No_2.exe   (36M download)

http://mulawa.net/download/olpc/Peter_Activities_No_3.exe   (6M download)

You can find out about each activity here but note that the Download button is only for users on a Sugar platform.