Brainstring: Original STEM Tensions rise as you scramble

Tensions rise as you scramble to outpace and outsmart your opponents in this ingenious game of perception

this nautical-themed block set has a variety of optical and auditory effects to enhance sensory play as each block has its own unique charm

making it a great birthday or any-day treat for boys and girls ages 4 years old and up

It’s not just who wins the hand but also how the hand is won that makes all the difference

while a colorful aquarium livens up the scene

Brainstring: Original STEM Tensions rise as you scrambleTie your thoughts together. Three groups of different colored strings, arranged on six sides, slide into grooves and stimulate your brain in this unique and captivating puzzle. Once you master untying the knots, will you be able to swap the colored strings without making a knot? Brainstring Original is fun to play and even more fun to solve!