Antiproton
The ANTIPROTON is the antiparticle of the Proton. Also part of the Antiparticle 14-pack.
Approximately 5 oz (120 gm); 3.5 inches (12 cm) across.
For ages 5 and up as it contains glued-on/small parts.
CATEGORY: ANTIPARTICLES > ANTI-NUCLEONS
UNIQUE PRODUCTS
