100 Pieces in a variety of shapes that children may use to make crazy structures limited solely by their imagination! Little builders may either build in two or three dimensions, with a variety of possibilities for inventive creators: an airplane, robots, animals, characters, etc. Includes 8 double-sided idea cards. Compatible with our 60- piece set (J08300) to further extend building options. Water-based paint. Yellow pieces dims : 2.75 x .4 x .78 inches. Made of wood from sustainably managed forests and colored with water based paint.