Extension Kits - ClassicThere are 3 products.
These kits take the Classic main sets up one level.
For example, the 2a kit extends the Classic no.2 set to the no.3 set.
This allows you to start with a smaller, less costly set. Once your child is ready for a greater challenge, you simply upgrade to the next level.
Note that the 3a kit is currently the only way to get to a Classic no.4 set (3+3a=4).
For example, the 2a kit extends the Classic no.2 set to the no.3 set.
This allows you to start with a smaller, less costly set. Once your child is ready for a greater challenge, you simply upgrade to the next level.
Note that the 3a kit is currently the only way to get to a Classic no.4 set (3+3a=4).
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On sale!$110.00Quantity:
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On sale!$110.00Quantity:
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Classic no.3a
180 parts - 3+3a = 4 Note that this is presently the only way to acquire a Classic no.4 set.
On sale!$110.00Quantity:
