littleBits STEM Kit Replacement: w1 Wire Connector Module

Elenco Snap Circuits SC-100 STEM Electronics Kit 1–101 Projects Incomplete

littleBits STEM Kit Component: i5 Slide Dimmer Module - Spare / Replacement Part

Little Bits Premium Kit 14 Bits Modules Magnet Magic STEM Science Parts + EXTRAS

littleBits STEM Kit Component: p1 Power Module, Spare / Replacement

littleBits STEM Kit Component: o6 Buzzer Module, Spare / Replacement

Just Clip It Connectors Build Your Own Space Station STEM New Ages 8 And Up

Lot of 56 Used Elenco Snap Circuits Parts, Replacement Parts (Untested)