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Carolin Jauss posted on the forum topic Kits for Skills Building in the group Serious Play Fans: 13 years, 4 months ago
There are the Lego Serious Play kits which are very useful as quite colorful and with some special bricks, but currently it seems that Lego is out of Stock. I am generally using a home made brik set but I am always additionally adding stickers, pens and paper to customize the briks if needed.