Sapphire Swirl SolarFlower 100-400 and Xs connect via ball-and-socket

and Xs connect via ball-and-socket ends to build an endless variety of artful structures

Set of stacking cups with textured silicone bubbles

Play the role of a forensic scientist with this detective toy and science kit

Girls & Boys love dinosaurs

and Boogie captures all that and more

Sapphire Swirl SolarFlower 100-400 and Xs connect via ball-and-socketBuild this beautiful kinetic sculpture, a motorized flower model with moving petals, powered by a solar panel. Learn about mechanical systems like motors and planetary gears, and about how solar cells generate electricity to power the flower. An ingenious design allows all petals to rotate synchronously, driven by a single motor, resulting in a mesmerizing optical illusion effect. This flower will never wilt, and you will never run out of batteries;