B. Bristle Block Stackadoos Encourages Creativity: Chunky, Soft Pieces Are Easy To Connect Together To Build Unique Creatures, Buildings & More. 68 Fun And Colourful Blocks: The B. Bristle Block Stackadoos Have Been Updated With Vibrant, Modern Colours. Reusable: Perfect First Bristle Blocks Set Or Can Be Combined With Other Collections To Entertain For Hours On End. Simple Storage: All 68 Pieces Fit In The Jar To Minimize Clutter. No Mess To Worry About! Idea Booklet Also Included. Awards: Parents' Choice Approved Award Winner.