Marblex Gray Self-Hardening Clay - Front of 5 lb. package shown
Marblex is a moist, ready-to-use, air-drying gray clay. Modeled objects are hard and durable, but not waterproof. Decorate with opaque tempera if desired.
5 lb - Marblex is a moist, ready-to-use, air-drying gray clay. Modeled objects are hard and durable, but not waterproof. Decorate wi...