These rolling blocks are great addition to your open ended toy collection. The tallest rolls being 24cm and smallest ones are 4cm will perfectly match the Serenitoys WON blocks. Also with a diameter of approx. 4cm which is compatible with other Serenitoys Blocks sets such as: the Castle Set, Arch Blocks Set, Stairs, Slides, etc. Its grippy-ness is also a good sensory experience for little ones. 
 
Made from certified and sustainably-sourced Australian pine wood and coloured with our special non-toxic, vegan and 100% VOC-free paints that is safe for use on toys. 
 
This set comes with a wooden tray for easier storage and nice display too. Since all of our products are handmade, all item is unique. The actual product that you will purchase may not be exactly the same as the ones in the photos due to wood individuality. There may be slight differences in the colors or shapes but we try our best to create as similar as we can.
 
Dimensions: 
Height ranges from 4 - 24cm
Tray - approx. 32 x 29 x 2.5cm