Test your skills with TrueBalance Cobra: the unpredictably fun game of balance & coordination! This version of our TrueBalance toy isn't for the faint of heart. "Ssssssssss. . " The objective? Neatly stack the discs. That might sound simple. . but it takes concentration and coordination to line up the rotating, magnetic discs justtt right. For a challenge, hold TrueBalance with your non-dominant hand, or even upside-down! For even more fun, set a timer and compete with friends against the clock. Our customers love TrueBalance. Here's why:• EASY AND FUN: TrueBalance toys bring the family together, offering a screen-free play option that adults and kids alike find unpredictably fun!• STIMULATING AND STRESS-RELIEVING: Developed in partnership with occupational and physiotherapists, TrueBalance toys improve fine motor skills and coordination while encouraging focus and concentration. • AWARD-WINNING STEM TOY: TrueBalance encourages interest in STEM as kids consider the science/engineering factors at play in TrueBalance toys. TrueBalance has been named QVC's #1 toy in 2018/2019, The Grommet's #1 toy in 2018, and Creative Kids 2018 Toy of the Year. • DESIGNED TO LAST: All TrueBalance toys are built of high-quality materials designed to stand the test of time (or any rough handling your kiddos dish out). 6. 5 x 13. 3 x 2 Inches. Assorted/Molded Plastic, magnets. STEAM Activity Kit