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Items 25-32 of 117
- The longest wire helix toy that you've probably EVER seen!
- Great for classroom demonstration of wave principles.
- Contains over 55 parts to build more than 175 projects
- Color organ controlled by iPhone, iPod or other MP3 player, voice or finger
- No tools required
- Plastic model requires no tools
- Educational manual included
- For ages 8+
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