4 Math Games 24 GAME ADD SUBTRACT Instructions Stack The Deck, Innumerable

Comes with 4 math games. All were found in my grandmother's shed. So some are dirty in the box.

All have been opened but appear to have never been played with.

1) yellow box NEW 24 GAME single primer ADD SUBTRACT 48 Cards and Instructions-

2) blue box - 24 game single digits edition 3 levels of challenge. Add subtraction, multiple or divided.

3) purple box) stack the deck transfer the chips from start to finish with the fewest possible moves

4) black box) in memorable a crazy members game assemble the puzzle pieces into a 3 x 3 square so the sum of each row equals 15 when added horizontally, vertically and diagonally