[2021 Edition]
[2010 Edition]
[[2014 Edition]]
7 pieces and a fun guide board help you develop thinking.
Guide boards come with 20 step up sheets for years of play as they grow.
Step 1... Align the pieces to the shape of the guide
Step 2... Shape with less pieces (2 pieces, 3 pieces).
Step 3... Combine the pieces to create intricate shapes (3+)
The 7 pieces are made of wood that fits nicely in your hand and comes with a storage case.
The Problem Book has 60 questions that will provide plenty of play and learning.
This is a genius brain series recommended by the first brain scientist by Koisatsu Kubota.
Set Contents:
Case, 7 Pieces, 20 Guide Boards, Problem Book
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