Does the product include a building block model? The product only has LEDs and does not include a building block model What should l do to make the led power up? We will provide a battery box, just plug the USB interface into the battery box (battery not included) LED light only，Not include the blocks set The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Previous page Next page Only LED light NOTE: Only LED light is supplied. All Building Block sets shown in pictures and videos are not included. Product Sheet LED Light for Lego 76912 Buying Options LED Light for Lego 42161 Add to Cart LED Light for Lego 10295 Add to Cart LED Light for Lego 10321 Buying Options LED Light for Lego 42151 Buying Options LED Light for Lego 10317 Add to Cart LED Light for Lego 42156 Add to Cart Customer Reviews 4.3 out of 5 stars 65 4.3 out of 5 stars 65 4.3 out of 5 stars 65 4.3 out of 5 stars 65 4.3 out of 5 stars 65 4.6 out of 5 stars 3 4.3 out of 5 stars 65 Price $16.99$16.99 $23.99$23.99 $29.99$29.99 $22.79$22.79 — $18.89$18.89 $29.99$29.99 Compatible with block kit 76912 42161 10295 10321 42151 10317 42156 Battery Case ✔ ✔ ✔ ✔ ✔ ✔ ✔ Battery Not Included ✘ ✘ ✘ ✘ ✘ ✘ ✘ building block kit ✘ ✘ ✘ ✘ ✘ ✘ ✘ Only LED Light ✔ ✔ ✔ ✔ ✔ ✔ ✔