Roylco Lock Blox, 32 Pieces (R-60330)

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. A handful of blocks will keep fidgety fingers occupied for hours. Each pack includes 32 blocks (red, yellow, green, blue), 16 squares (1.25"), 16 rectangles (2.5"). Made in USA.