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)
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!
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THE HEARTHSONG GUARANTEE
If, for any reason, you are less than 100% satisfied with a product you have purchased from us, return it within 90 days using one of our hassle-free return or exchange methods. Learn More about our Guarantee