| 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 (22) 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 $14.06 | Bricks Downunder (506) Shipping US $13.94 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.127 | US $6.50 | studsnstuff (483) Shipping US $6.37 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.127 | N/A | MoreBricksEverywhere (59) Request a Shipping Quote Minimum Order US $1.02 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker Sticker on backwards | 1 | US $0.15 | US $5.65 | Block Tuarach (105) Shipping ~US $5.50 Minimum Order US $3.00 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 2 | US $0.154 | US $8.87 | Dk-bricks (1349) Shipping US $8.72 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 $0.159 | US $6.73 | BricksMummy (247) Shipping US $6.57 Minimum Lot Average US $0.57 |
| 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 $0.171 | US $9.39 | LoTi Toys (54) Shipping US $9.22 Minimum Order US $5.42 |
| 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 | 1 | US $0.189 | US $5.14 | Pop's Block Shop (1139) Shipping ~US $4.95 Minimum Order US $0.94 |
| 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 | Otterbourne Lego (1001) Request a Shipping Quote Minimum Order US $2.55 |
| 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 $5.57 | Abrickadabra (678) Shipping US $5.35 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.22 | US $5.91 | Vosblokjes (1621) Shipping US $5.69 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.226 | US $9.98 | JSS (45) Shipping US $9.76 Minimum Order US $3.25 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker C10-00323 | 2 | US $0.228 | US $6.30 | T-Rex Bricks (132) Shipping US $6.07 Minimum Order US $5.42 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.229 | US $5.77 | Bits for brick builders (172) Shipping US $5.54 Minimum Order US $1.27 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.239 | US $11.08 | Lunabricks Shop (202) Shipping US $10.84 Minimum Order US $5.42 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.255 | US $6.76 | Brick Ideas (50) Shipping US $6.51 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.259 | N/A | Beck-bricks (15) Request a Shipping Quote Minimum Order US $1.40 |
| 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 (1081) 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 $0.264 | US $5.75 | Fortis Bricks (266) Shipping US $5.49 Minimum Order US $2.20 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.272 | US $6.51 | Savo Bricks (29) Shipping US $6.23 Minimum Order US $3.25 |
| 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 $7.91 | 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 $0.282 | N/A | Comi-toys (339) Request a Shipping Quote |
| 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 (Acceptable) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.286 | N/A | Bricklandija (5) Request a Shipping Quote Minimum Order US $4.34 |
| Used (Good) | Yellow Brick 2 x 2 x 2 Round with 'CAUTION' and red sign 'O2' on right side Sticker | 1 | US $0.291 | US $10.47 | Little Goods [OLX] (12) Shipping US $10.18 Minimum Order US $5.09 |
| 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 (808) 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... (467) Shipping US $4.99 |