Make your voice sound like a robot with this cool voice changer solder kit. Add vibrato effect, or use the pitch buttons to make your voice sound lower or higher. It also comes with a built-in power amplifier and microphone--simply add a speaker to the unit. Great for pranks, as a novelty toy, or as a stocking stuffer.
This project book and sample kit introduces you to shape-memory alloy technology!
This kit includes several different projects that demonstrate the power of magnets!
Ever wonder how to survive in the wilderness? These cards can help!
The large realistic model has removable organs that can be studied and set back into the correct position.
Build a hand that realistically moves its fingers using shape memory allow technology!
Comprehensive collection of 30 fossils.
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