Easily grow a natural aragonite crystal in a few weeks. Comes with 2 rocks. Net weight: at least 80 grams. Just add white vinegar! Place the mineral in vinegar and watch crystals form as the vinegar evaporates! Place this mineral in vinegar and watch crystals form as the vinegar evaporates! No dangerous chemicals are needed! The natural limestone rocks react and natural aragonite crystals form very quickly. Set a bowl on the table with a magnifying glass and everyone will be fascinated watching these crystals grow. Background information is included that explains the process and is the same process used in the thermal basins at Yellowstone National Park. Crystals last for years. Non-toxic. Not suitable for children under 3 years. Small parts.
See related categories of educational toys and science toys for children.
The Surprise Super Sale Enter Coupon Code 'SAVERIGHTNOW' Or 'FREESHIPPING' At Checkout Today
Our personal shoppers love speaking and chatting with you. Click the button below to chat live or to be connected toll free for personal shopping assistance via telephone. You can also dial 1-800-350-5420 or click to chat.
have arrived so gas scooters are on sale. Electric
are now being featured. Buy hot toys
and hobbies like Ride On Cars
for kids with parental remote control, RC Helicopters
, Nitro Rc Cars
, RC Cars
, RC Planes
, RC Submarines
, RC Toys
, and RC boats
. Motorized Scooters
, Mini RC
, and Toy Robots
are a hot trend at toy stores
. Wholesale Toys
for stores are available for purchase. Shop cool toys for sale at our online Toy Stores