Do you have additional parts or accessories for the BIG Step-by-Step? February 11, 2021 18:17 Updated For parts and accessories please visit our website. Related articles How do I clear all messages off the BIG Step-by-Step? Getting Started With BIG Step-by-Step Speech Device How to Connect BIGmack to External Devices Using Toy/ Appliance Connection How Do I Attach the Universal Shoulder Strap to the BIG Step-by-Step How Do I Activate an External Device with a BIG Step-by-Step