The set has 88 pieces:
1) Plus & minus board
2) Carpet
3) Hand-eye coordinating throwing ring
4) Geometric board
5) Round board
6) world intercontinental map inlayed board
7) Inlayed board of nine-planet in solar system
8) Sand number board
9) Weight board
10) square bead chain
11) color decimal fraction stick
12) Pink pyramid
Etc.