Lock Blox

Connect, twist and slide these fun fidget blocks together! 8 different peg-and-groove configurations glide smoothly, turn easily, and hold snugly. Build robots, castles, letter forms and numbers - or just fiddle with them. 96 blocks (red, yellow, green, and blue): 16 squares - 1¼"m 16 rectangles - 2½". For ages 4 and up.