Grimm's Triangles - Wooden Mini Magnetic Creative Play Design Puzzle in Travel Box Great travel toy and for playing at home. Comes with 100 pieces of beautifully colored wood with magnetic backing and a magnetic metal storage box for use as a play surface. Pieces will stick to other magnetic surfaces as well. Designed to help kids develop creative and visual skills through open-ended free play Box measures 8 inches square by 3/8 inches Made in Germany by world famous toymaker Grimm Spiel und Holz. For children 4 and up