Can't decide? Order a Particle Pack!
| QCD Dots 9-pack (one sheet) Quantum chromodynamics dots for your quarks. Use the velcro dots to demonstrate strong-force color charge in quark interactions. Dots are removable and adhere to all quarks* to mix and match according to your needs. Available in colors and anticolors. For ages 5 and up as it contains glued-on/small parts. *will not adhere to Top Quarks shipped prior to June 10, 2008. |
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