 | Used
(Like New) | Medium Stone Gray Duplo Siren Brick with Red Button and Blue Lights Lights not working. Have tried changing batteries, but don't have the correct tools. | 1 | US $0.25 | US $5.75 |  Wild Bricks (734)Shipping US $5.50 Minimum Order US $10.00 |
 | Used
(Good) | Pearl Light Gray Duplo Siren Brick with Red Button and Blue Lights | 1 | US $2.56 | US $15.98 |  YvisWuehlkiste (30)Shipping US $13.41 |
| Used
(Good) | Medium Stone Gray Duplo Siren Brick with Red Button and Blue Lights | 1 | US $2.76 | US $8.12 | L-MO Bricks (223) Shipping ~US $5.36 Minimum Order US $5.00 |
| Used
(Good) | Medium Stone Gray Duplo Siren Brick with Red Button and Blue Lights good condition, minor playwear possible | 1 | US $2.81 | US $22.12 | SaarBricks (83) Shipping US $19.32 |
| Used
(Good) | Medium Stone Gray Duplo Siren Brick with Red Button and Blue Lights THE SOUND IS WORKING BUT NOT THE LIGHTS | 1 | US $2.88 | US $9.50 |  FAVRSKOV (384)Shipping US $6.62 Minimum Order US $5.76 |
| Used
(Good) | Pearl Light Gray Duplo Siren Brick with Red Button and Blue Lights Works fine. Battery a bit weak. | 1 | US $2.97 | US $16.92 |  LV Bricks (152)Shipping US $13.95 |
| Used
(Good) | Pearl Light Gray Duplo Siren Brick with Red Button and Blue Lights | 1 | US $3.07 | US $35.26 | Brams Bouwstenen (2) Shipping US $32.19 Minimum Order US $5.37 |
| Used
(Good) | Pearl Light Gray Duplo Siren Brick with Red Button and Blue Lights | 1 | US $3.14 | US $16.55 | YvisWuehlkiste (30) Shipping US $13.41 |
| Used
(Good) | Medium Stone Gray Duplo Siren Brick with Red Button and Blue Lights | 1 | US $3.20 | US $16.02 | FrisianBricks (175) Shipping US $12.82 |
| Used
(Good) | Pearl Light Gray Duplo Siren Brick with Red Button and Blue Lights Excellent Condition | 1 | US $3.27 | US $13.63 |  Bricktastics (1180)Shipping US $10.36 |
| Used
(Good) | Pearl Light Gray Duplo Siren Brick with Red Button and Blue Lights Light and siren both working. | 1 | US $3.44 | US $13.80 | Bricktastics (1180) |
| Used
(Good) | Medium Stone Gray Duplo Siren Brick with Red Button and Blue Lights Lights and sound still work. Small brown scuff on one of the lights. | 1 | US $3.49 | US $8.98 | Shippin Bricks (405) Shipping ~US $5.49 |
| Used
(Good) | Medium Stone Gray Duplo Siren Brick with Red Button and Blue Lights | 2 | US $4.27 | US $6.40 |  EshopOrlova - Go Build! (753)Shipping US $2.13 |
| Used
(Good) | Medium Stone Gray Duplo Siren Brick with Red Button and Blue Lights -- Works fine | 1 | US $4.56 | US $13.90 |  Bricks Magic (1213)Shipping US $9.34 |
| Used
(Good) | Medium Stone Gray Duplo Siren Brick with Red Button and Blue Lights all checked and working | 1 | US $4.73 | US $11.63 | HenBrixx (229) Shipping US $6.90 |
| Used
(Good) | Pearl Light Gray Duplo Siren Brick with Red Button and Blue Lights | 2 | US $5.13 | US $11.57 | Brickmarkt (333) Shipping US $6.44 |
| Used
(Good) | Pearl Light Gray Duplo Siren Brick with Red Button and Blue Lights all checked and working; tiny bite marks on one side | 1 | US $5.22 | US $12.12 | HenBrixx (229) Shipping US $6.90 |
| Used
(Good) | Pearl Light Gray Duplo Siren Brick with Red Button and Blue Lights BOTH THE LIGHT AND THE SOUND IS WORKING | 1 | US $9.35 | US $15.97 | FAVRSKOV (384) Shipping US $6.62 |
