Mix the crystal powder with hot water, let it cool, and then watch as it begins to grow crystal formations on a phosphorescent base that glows in the dark.
Can a simple bean sprout grow its way through a complicated maze? Watch in amazement as it sprouts, grows, and winds its way up through a maze that you design.
Once assembled, this fun weather science kit lets children screw on a water-filled recycled plastic bottle and then, with a flip of a switch, watch in awe as... More
Unlike just about every single boring humidifier on the planet, this one adds humidity to the room through an exciting visible tornado of swirling ultrasonic... More
