3 engaging & brain stimulating card games Brain Training - Brain Paint card games by Professor Puzzle. Includes 108 cards, 1 die & instructions for 3 fun, brain stimulating games. The perfect addition to games night or gift for any brain teaser enthusiast. Part of Professor Puzzle’s Brain Training collection - A collection of brain teasers / brain training activities. Calling all brain training / mind game enthusiasts. Brain Training - Brain Paint card games by Professor Puzzle. Includes 108 cards, 1 die & instructions for 3 fun, brain stimulating games. The perfect addition to games night or gift for any brain teaser enthusiast. Part of Professor Puzzle’s Brain Training collection - A collection of brain teasers / brain training activities.