Crystal Radio Science Kit - 112 items
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NATIONAL GEOGRAPHIC Earth Science Kit - Over 15 Science Experiments & STEM Activities for Kids, Crystal Growing, Erupting Volcanos, 2 Dig Kits & 10 Genuine Specimens, a Great STEM Science Kit
Lutron Caséta Deluxe Smart Dimmer Switch (2 Count) Kit with Caséta Smart Hub | Works with Alexa, Apple HomeKit, Ring, Google Assistant | P-BDG-PKG2W-A | White
Soldering Project, Icstation FM Radio Kit with LED Flashing Lights Soldering Practice DIY Radio Kits LCD Display FM 87-108MHz Digital Radio Kit for Learning Teaching STEM Educational Project
4M Toysmith, 7 Crystal Growing Science Experimental Kit with Display Cases, Easy DIY STEM Toy Lab Experiment Specimens, For Boys And Girls Ages 10+
NATIONAL GEOGRAPHIC Mega Crystal Growing Lab – Grow 6 Vibrant Crystals Fast (3-4 Days), with Light-Up Display Stand, Learning Guide, & 4 Genuine Crystal Specimens, an Amazon Exclusive Science Kit
Piezoelectric Earphone High Impedance Ceramic Earpiece Bare Wire Leads Transistor Crystal Radios & DIY Make Electronics Projects 20,000 (20k) Ohm Sensitivity Vintage Classic Style Piezo Electric
