![A Lego Boost Cat STEM toy is demonstrated by an employee at 114th American International Toy Fair at the Jacob K. Javits Convention Center in New York City on February 19, 2017. A Lego Boost Cat STEM toy is demonstrated by an employee at 114th American International Toy Fair at the Jacob K. Javits Convention Center in New York City on February 19, 2017.](https://c8.alamy.com/comp/TYRPER/a-lego-boost-cat-stem-toy-is-demonstrated-by-an-employee-at-114th-american-international-toy-fair-at-the-jacob-k-javits-convention-center-in-new-york-city-on-february-19-2017-this-is-largest-toy-and-youth-product-marketplace-in-the-western-hemisphere-bringing-together-more-than-1000-exhibiting-manufacturers-distributors-importers-and-sales-agents-from-around-the-globe-to-showcase-their-toy-and-entertainment-products-photo-by-john-angelilloupi-TYRPER.jpg)
A Lego Boost Cat STEM toy is demonstrated by an employee at 114th American International Toy Fair at the Jacob K. Javits Convention Center in New York City on February 19, 2017.
![Amazon.com: Cat: Bulding instruction for the Lego Boost set + program code (Alternative robots instructions for Boost - a series of step by step instructions for LEGO Boost (17101) by Robotech Studio) Amazon.com: Cat: Bulding instruction for the Lego Boost set + program code (Alternative robots instructions for Boost - a series of step by step instructions for LEGO Boost (17101) by Robotech Studio)](https://m.media-amazon.com/images/I/41HhUBkPHYS.jpg)
Amazon.com: Cat: Bulding instruction for the Lego Boost set + program code (Alternative robots instructions for Boost - a series of step by step instructions for LEGO Boost (17101) by Robotech Studio)
![A Lego Boost Cat STEM toy is demonstrated by an employee at 114th American International Toy Fair at the Jacob K. Javits Convention Center in New York City on February 19, 2017. A Lego Boost Cat STEM toy is demonstrated by an employee at 114th American International Toy Fair at the Jacob K. Javits Convention Center in New York City on February 19, 2017.](https://c8.alamy.com/comp/TYRPEW/a-lego-boost-cat-stem-toy-is-demonstrated-by-an-employee-at-114th-american-international-toy-fair-at-the-jacob-k-javits-convention-center-in-new-york-city-on-february-19-2017-this-is-largest-toy-and-youth-product-marketplace-in-the-western-hemisphere-bringing-together-more-than-1000-exhibiting-manufacturers-distributors-importers-and-sales-agents-from-around-the-globe-to-showcase-their-toy-and-entertainment-products-photo-by-john-angelilloupi-TYRPEW.jpg)