Antique Prang Geometric Planes and Solids Set (Mixed, Near Complete, Many Extras)As with beautiful old wooden blocks sets, I've always got a keen eye out for geometic solids and planes, so was very pleased to find this box the other day in Rhode Island. It's a bit of a challenge to determine exactly which forms are original to this box vs acquired from another similar at some point along the way as is often the case, I think this is a merger of a couple of different sets, which occurred in a classroom where these were used many