This invisible ink Thinking Putty uses ultraviolet light to mimic blue ink oin a sheet of green paper. Write with the Glow Charger and watch with wonder as your words evaporate into thin air. 8+ *Warning:Choking hazard for under 3 years
This invisible ink Thinking Putty uses ultraviolet light to mimic blue ink oin a sheet of green paper. Write with the Glow Charger and watch with wonder as your words evaporate into thin air. 8+ *Warning:Choking hazard for under 3 years