Speed Stacks (Set of 12 with holding stem)

Speed Stacks are a fun and challenging way to improve hand eye coordinatoin by up to 30%. Sold in sets of 12 that includes a holding stem, instruction booklet and link to exciting training online. Cups are 3-3/4" tall. Available in 7 exciting colors: Really Red, Royal Purple, Cool Blue, Neon Orange, Neon Yellow, Neon Green and Neon Pink.