bend sensor – $2

stretch sensor – $12.95

electroluminescent wire – $0.85 per foot

alcohol sensor – $10.23

micro solenoid – $15.08

linear actuator – $66.99

optic fiber cable – $0.5 per meter

tiny potentiometer – $0.68

conductive fabric – $4.95 per foot

thermochromic paint – $44.99

Nitionl memory wire – $5.25

silver conductive paint – $5.49

Neodymium magnets – $4.99

copper tape – $1.75

rollerball tilt switch – $0.95

Tellurex Super Peltier Junction – $11.3 (3 for $33.95)

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