From construction to building and balancing these boards are the perfect complement to the 12 piece rainbows!
Explore how the Grimm's building boards also fits tunnels and the semicircle (all sold separately). 
The result is years of play and wonderful balancing games and building projects leading to even more open ended play.

Includes: 11 pcs
Materials: lime wood, non-toxic water-based colour stain.
Measures: 7cm x 10cm [up through] 37 x 0.8 cm
Cleaning: use a damp cloth. 
Please do not submerge in water and do not use disinfectant or hot water.
Recommended for ages 2+