GRIMM'S Wooden Building Blocks MOSAIC Large (100 pieces). Let your imagination run wild with these cool, colourful, and creative wooden blocks! These 4 x 4 cm blocks are perfect for stacking and building cities, bridges, castles and so much more! Tons of fun and lots of opportunities for kids to get creative and encourages them to play with others. Perfect for kindergartens, schools and other play groups. Playing with building blocks help children develop fine motor skills and spatial thinking skills. Set includes a wooden box filled with 100 blocks in different colours. Material: FSC Lime wood, non-toxic water-based paint, and plant based oil finish. Wooden box size: 44.5 x 44.5 cm. Block size: 4 x 4 cm. Recommended age: 3 years +. Warning! Choking hazard due to small parts. Not suitable for children under the age of 3 years.All Grimm's products comply with the European standard for toy safety, CE marked and EN 71 certified. Sustainably handmade in Bosnia.