Random FactsCuriousOneDecember 15, 201550's, atomic, contained, energy, gilbert, lab, material, radioactive, toy, u-238Comment The Gilbert U-238 Atomic Energy Lab was a toy from the 50's that contained radioactive material Random FactsCuriousOneDecember 15, 201550's, atomic, contained, energy, gilbert, lab, material, radioactive, toy, u-238Comment