Build 3D circuits into your structures without wires! Conductive tin plated parts are used to create 3D circuits from the battery pack to the LEDs to integrate lights into you structures.

• Directly compatible with other brick building construction sets
• STEAM product that teaches how to build 3D series and parallel circuits to light your imaginative creations
• Online instructions show you how to build an aiplane that lights up red, blue or green
• Patented technology enables you to build 3D circuits into your structure with no wires
• Contains 222 unique, patented parts including 21 LEDs you won't find in any other toy brick set