Create limitless light, color, and art effects simply by piecing together variously shaped 4-cube tetra blocks in varying ways! The blue base block sends current throughout any completed design to give it a warm glow. Fun way to create a cool freeform design! Sets include red, orange, yellow, green, blue, and purple blocks.
Design even bigger creations with our 28-Piece Light-Up Blocks Set!
• Light-up puzzle block set • 4-cube tetra block design • Sets include red, orange, yellow, green, blue, and purple blocks • Create beautiful and cool structures • Blue base block sends current throughout the rest of the design • To build even larger structures, add the 28-Piece Light-Up Blocks Set (sold separately)