Etoys is an educational tool for teaching children powerful ideas in compelling ways. It has a media-rich authoring environment and visual programming system.
Etoys makes children active participants, gives immediate feedback and rewards, and allows students to pursue their own interests in building projects.
Create virtual models of your Lego creations and enjoy them in all three dimensions.
NEAT projects professional provides a clear view of your motif on the fly.
Practice recognising different frequencies with this free piece of software
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