| Used (Good) | Red String with Coupling Points and End Studs 1 x 21 | 1 | US $0.436 | US $5.36 | SkaraborgJohan (59) Shipping US $4.92 |
| Used (Good) | Red String with Coupling Points and End Studs 1 x 21 | 1 | US $0.508 | N/A | Noahs Bricks N Pieces (397) Request a Shipping Quote Minimum Order US $0.63 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 1 | US $0.635 | US $13.33 | AbsoluteBrick (190) Shipping US $12.70 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 1 | US $0.644 | N/A | Brickshaw (237) Request a Shipping Quote Minimum Order US $3.22 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 1 | US $0.67 | US $5.59 | SkaraborgJohan (59) Shipping US $4.92 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 3 | US $0.678 | US $16.25 | nerdgeek.store (301) Shipping US $15.57 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 6 | US $0.683 | US $5.25 | Bremer Bricks (205) Shipping US $4.56 Minimum Order US $4.44 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 1 | US $0.70 | US $6.65 | First Order Brick Shop (7) Shipping ~US $5.95 Minimum Order US $4.00 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 2 | US $0.711 | US $5.21 | Flying Box (389) Shipping US $4.50 Minimum Order US $5.00 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 11 | US $0.715 | US $11.45 | Brickslan (85) Shipping US $10.74 Minimum Order US $5.37 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 19 | US $0.736 | US $6.69 | BrickSick OLX / BLIK (33) Shipping US $5.95 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 3 | US $0.739 | US $5.69 | Pop's Block Shop (1164) Shipping ~US $4.95 Minimum Order US $0.94 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 1 | US $0.776 | US $17.25 | Noosa Brick Paradise (26) Shipping US $16.47 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 1 | US $0.791 | N/A | His Masters Verities (233) Request a Shipping Quote Minimum Order US $1.27 |
| Used (Good) | Red String with Coupling Points and End Studs 1 x 21 | 1 | US $0.80 | US $5.40 | Penguins and plastic (167) Shipping US $4.60 Minimum Order US $7.50 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 8 | US $0.805 | US $9.88 | ubertoys.eu (491) Shipping US $9.07 Minimum Order US $1.07 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 1 | US $0.808 | US $6.80 | Brick Counters Bazaar (168) Shipping US $5.99 Minimum Order US $5.00 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 12 | US $0.81 | US $8.05 | BRICK FOR MOC (59) Shipping US $7.24 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 1 | US $0.812 | US $6.80 | Studbee (644) Shipping US $5.99 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 3 | US $0.815 | US $11.54 | Jsemin Bricks (1) Shipping US $10.73 Minimum Order US $5.37 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 2 | US $0.819 | US $6.31 | Danny-R Sale (168) Shipping ~US $5.49 Minimum Order US $2.00 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 3 | US $0.821 | US $5.65 | Coren’s Brick Emporium (173) Shipping US $4.83 Minimum Order US $1.07 |
| Used (Good) | Red String with Coupling Points and End Studs 1 x 21 | 1 | US $0.835 | N/A | bartbart's (279) Request a Shipping Quote Minimum Order US $3.63 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 1 | US $0.854 | US $6.35 | 808brickbuybrick (100) Shipping ~US $5.50 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 14 | US $0.859 | N/A | Baarlo Bricks (44) Request a Shipping Quote |
| New | Red String with Coupling Points and End Studs 1 x 21 | 14 | US $0.859 | N/A | Parkstad bricks (214) Request a Shipping Quote |
| New | Red String with Coupling Points and End Studs 1 x 21 | 1 | US $0.859 | N/A | LeVin's World (381) Request a Shipping Quote Minimum Order US $1.07 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 10 | US $0.863 | US $9.40 | Peup-Peup Bricks (81) Shipping US $8.54 Minimum Order US $5.37 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 1 | US $0.868 | US $6.37 | 808brickbuybrick (100) Shipping ~US $5.50 |
| New | Red String with Coupling Points and End Studs 1 x 21 | 11 | US $0.868 | US $5.60 | Vintage Brickworks (382) Shipping US $4.73 Minimum Order US $4.73 |