Blu tack calculator Share this page: Learn about addition and multiplication using Blu Tack Calculator numbers to add and multiply What you will need Bostik Blu Tack Colour Calculator Scissors Instructions Step 1: GET READY Use your calculator as a guide to model. Step 2: CUT & ROLL Cut your Blu Tack Colour into squares, and roll your tack to create the numbers and symbols. Step 3: CREATE Combine to create your Blu Tack Colour calculator Step 4: ADDITION Use your Blu Tack calculator numbers to add and multiply. Where to buy BLU TACK® COLOUR Where to buy Related Products BLU TACK® COLOUR Multi-coloured multipurpose adhesive More details Discover decorate products Product Finder See all products Share this page: