They will add 1-20, subtract 1-20, and use the included "manipulatives" to count 1-20

Sort Card Type Palafin #62Rare $0.12 Palafin #49Uncommon $0.06 Palafin #60Uncommon $0.13 Palafin #45Common $0.09 Palafin #35Uncommon $0.10 Palafin #23Uncommon $0.10 Palafin #21Uncommon $0.23 Palafin #22Uncommon $0.06 Palafin - 031/108 #31Rare $0.41 Palafin - 036 (Prerelease) #36Promo $4.16 Palafin - 036 (Prerelease) [Staff] #36Promo $41.69 Palafin - 047/190 #47None $0.15 Palafin - 060/167 (Cosmos Holo) #60Promo $0.36 Palafin - 062/197 #62Rare $0.18 Palafin - 062/197 (Cosmos Holo) #62Promo $0.50 Palafin - 111/108 #111Art Rare $1.90 Palafin - 124/091 #124Shiny Rare $3.39 Palafin - 200/197 #200Illustration Rare $5.27 Palafin - 225/091 #225Illustration Rare $1.90 Palafin - 229/190 #229Shiny Rare $1.17 Palafin - 339/190 #339Art Rare $2.36 Palafin (Master Ball Pattern) #45Common $3.86 Palafin (Mirror Foil) #45Common $0.61 Palafin ex #151Special Illustration Rare $47.27 Palafin ex - 036/101 #36Double Rare $0.34 Palafin ex - 046/187 #46Double Rare $0.26 Palafin ex - 061/167 #61Double Rare $0.69 Palafin ex - 116/101 #116Super Rare $1.20 Palafin ex - 126 #126Promo $1.52 Palafin ex - 126 #126Promo $0.78 Palafin ex - 193/167 #193Ultra Rare $1.47 Palafin ex - 207/187 #207Special Art Rare $10.04 Palafin ex #151Special Illustration Rare $47.27 Palafin - 036 (Prerelease) [Staff] #36Promo $41.69 Palafin ex - 207/187 #207Special Art Rare $10.04 Palafin - 200/197 #200Illustration Rare $5.27 Palafin - 036 (Prerelease) #36Promo $4.16 Palafin (Master Ball Pattern) #45Common $3.86 Palafin - 124/091 #124Shiny Rare $3.39 Palafin - 339/190 #339Art Rare $2.36 Palafin - 225/091 #225Illustration Rare $1.90 Palafin - 111/108 #111Art Rare $1.90

The other important arm of red's research is impulse draw which exiles cards from your library to play, but only for a turn
One of my favourite threads on the forum has to be the E4 Chain Letter Across The World, where members of the community send the same Energy Card to each other and add their name to it
In addition, each card is accompanied by a signed, sketched artist proof of each card
Luckily I picked Pokemon Blue which charged 6,500 coins to buy Porygon