Extra Large 12-Piece Rainbow Tunnel Stacker Toy in Pastel Colors - Wooden Nesting Puzzle for Creative Sculpture Building For ages 18 months to adult: stimulates visually, mentally and creatively for hours of fun, for years to come! Giant-size Rainbow is nearly 15 inches wide; cut from a solid piece of FSC-certified (sustainably-harvested) European wood Versatile open-ended toy: inspires imaginative play as a stacking/building toy & puzzle, plus the 12 arches can be used as bridges, tunnels, cradles and more for all kinds of pretend play Rich, vibrant colors are non-toxic water based stains, hand-applied to each individual piece (NO paint or varnish used, providing safety for the youngest of children) Worthy investment that also makes beautiful decor in nursery or playroom. Extend play & stacking options with Grimm's Giant Marbles or Large SemiCircles (sold separately)