Grimm's 30 multi - coloured geometric building blocks come in three different thicknesses: 1 cm, 2 cm, and 4 cm. These blocks offer challenges from easy to difficult, making them a great companion throughout a child's childhood. They are neatly packaged in a natural - coloured net bag. The blocks are made from European - sourced FSC - certified wood. Grimm's uses non - toxic, water - based stains that are completely harmless. They have been thoroughly tested for colour fastness when in contact with saliva. Although some people's saliva may differ from the standard, any colour transfer is harmless.
Using these Grimm's geometric blocks is easy. Just let your child's imagination run wild and start building all kinds of structures. From simple towers to complex castles, the possibilities are endless. When playing, make sure to keep the blocks away from small children who might put them in their mouths to avoid choking hazards. As for maintenance, you can wipe the blocks with a damp cloth if they get dirty. Don't soak them in water as it may damage the wood and the non - toxic stains. Store the blocks in the provided natural - coloured net bag when not in use to keep them organized and easy to find for the next playtime.
