This is a 4 piece place value puzzle piece set. This set includes the following to complete the puzzle:
1. number (34)
2. Tens and Ones (3 tens 4 ones)
3. Base 10 Blocks ( I I I . . . . )
4. Expanded Form (30 + 4)
If you would like just a 3 piece set, disclosing the expanded form please check out my 3 piece puzzle set.