|QCD Dots 9-pack
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.