Keagan Fogarty, 9, of Gales Ferry, after learning how to screen print a design onto a t-shirt Saturday, May 6, 2023, reacts as Natalie Grayson, right, lead in the print shop, raises the screen to reveal the design he printed on the t-shirt during Free Day at Spark Makerspace in New London. (Dana Jensen/The Day) Buy Photo Reprints
London Krekeler, 12, of Groton, works on sewing a key chain Saturday, May 6, 2023, while Sheri Condon, left, one of the leads in Fiber Arts, talks him through the last steps during Free Day at Spark Makerspace in New London. (Dana Jensen/The Day) Buy Photo Reprints
Jackson Wintrob, 6, left, and his twin brother, Brenton, of Waterford, work together Saturday, May 6, 2023, to build and exploding bank in the woodshop while their mother, Heather, looks on during Free Day at Spark Makerspace in New London….