Carefully stack and balance the smooth Rainbow Stacking Pebbles before they tumble down! The play possibilities are endless with these Rainbow Stacking Pebbles, with no guidelines or rules, creative youngsters can stack the pebbles in as many ways as they can find. But, can you keep them balanced! The Rainbow Stacking Pebbles are made from solid wood and coloured with non-toxic paints. Once playtime is over, the Rainbow Stacking Pebbles made a fun decoration for your little ones bedroom or nursery. Develops creativity, dexterity and spatial reasoning skills. Made from high quality, responsibly sourced materials. Conforms to current European safety standards.