Building Boards rainbow (Grimm's)
These building boards are the perfect complement to the 12 piece rainbows, tunnels and semicircle (10675/10676). So many wonderful balancing and skill games as well as new construction projects can be created, leading to even more open ended play.
Finished with a mix of different natural oils with linseed oil as the main ingredient. This blend consists of linseed oil, olive oil, thistle oil, walnut oil and soybean oil.
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