These building rings along with Grimm's small and large solid wooden balls (10239, 10238, 93120) enable amazing building and stacking possibilities and much more!
- Age recommendation: 2+
- 24 wooden rings in 2 size
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Materials: maple wood, non-toxic water based color stain
- Size: 12 x inside ø 20 mm, 12 x inside ø 30 mm