| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker Sticker is worn on edges. | 1 | US $0.09 | US $7.59 | MissingLinks (20) Shipping ~US $7.50 Minimum Order US $2.50 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.116 | US $14.01 | Bricks Downunder (502) Shipping US $13.89 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.125 | US $6.39 | studsnstuff (476) Shipping US $6.26 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.125 | N/A | MoreBricksEverywhere (53) Request a Shipping Quote Minimum Order US $1.00 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 2 | US $0.153 | US $8.82 | Dk-bricks (1345) Shipping US $8.66 Minimum Order US $1.16 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 8 | US $0.156 | US $6.64 | BricksMummy (241) Shipping US $6.48 Minimum Lot Average US $0.56 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.184 | US $4.93 | JJ CREATIVE BRICKS (25) Shipping ~US $4.75 Minimum Order US $2.00 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker used - very few scretches possible | 1 | US $0.184 | US $9.35 | LoTi Toys (52) Shipping US $9.16 Minimum Order US $5.39 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.189 | US $5.14 | Pop's Block Shop (1135) Shipping ~US $4.95 Minimum Order US $0.94 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.213 | N/A | Otterbourne Lego (996) Request a Shipping Quote Minimum Order US $2.50 |
| Used (Like New) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker Stickers may have been applied imperfectly (by a child) but are not damaged | 1 | US $0.215 | US $6.96 | Bricklanta (77) Shipping ~US $6.75 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.217 | N/A | Beck-bricks (14) Request a Shipping Quote Minimum Order US $1.38 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.219 | US $5.88 | Vosblokjes (1617) Shipping US $5.66 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.224 | US $9.93 | JSS (43) Shipping US $9.70 Minimum Order US $3.23 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.225 | US $5.67 | Bits for brick builders (170) Shipping US $5.45 Minimum Order US $1.25 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker C10-00323 | 2 | US $0.226 | US $6.26 | T-Rex Bricks (123) Shipping US $6.04 Minimum Order US $5.39 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.237 | US $11.02 | Lunabricks Shop (200) Shipping US $10.78 Minimum Order US $5.39 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.253 | US $6.72 | CrazyBricksOnline (45) Shipping US $6.47 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.261 | US $5.26 | PUPKIWIS BRICKS (1079) Shipping ~US $5.00 Minimum Order US $5.00 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 3 | US $0.263 | US $5.75 | Fortis Bricks (259) Shipping US $5.48 Minimum Order US $2.19 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.271 | US $6.47 | Savo Bricks (27) Shipping US $6.20 Minimum Order US $3.23 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.278 | US $7.90 | Aurora Bricks (259) Shipping US $7.63 Minimum Order US $1.46 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.28 | N/A | Comi-toys (339) Request a Shipping Quote |
| Used (Acceptable) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.285 | N/A | Bricklandija (5) Request a Shipping Quote Minimum Order US $4.31 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 2 | US $0.286 | US $5.65 | L-MO Bricks (224) Shipping ~US $5.36 Minimum Order US $5.00 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.287 | US $10.30 | Little Goods [OLX] (12) Shipping US $10.01 Minimum Order US $5.01 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.297 | US $5.80 | vonveederbrick (806) Shipping US $5.50 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.30 | US $5.29 | Kaydee's Texas Brick... (465) Shipping US $4.99 |
| Used (Like New) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.31 | US $5.56 | DnA Brix (814) Shipping US $5.25 Minimum Order US $5.00 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.313 | N/A | pickandmixbricks (224) Request a Shipping Quote Minimum Order US $1.25 |