Size--(L)X(W)X(H) 19.5X19.5X2cm/7.68X7.68X0.8(appr.). Material: rubber wood with non toxic wood. Colorful triangular building blocks offer different possibilities than conventional building blocks or planks Manufacturered by Lewo. Inspires creativity: triangular building blocks can be used as tunnels little houses hills rocking chairs or beds for little dolls... let your imagination lead! Children (of all ages!) love to nest or stack the colorful unique blocks or use them as an open-ended toy in pretend play Our Products have been APPROVED by SGS. Our Paint is Non-toxic and Lead Free.Nesting & Stacking Rainbow block set in 12 different colors and 3 sizes. Perfect Learning toys for your kids.