Feature

●Material: ABS + electronic components
●Size: 8.8 x 5.7 x 9.4 inches (22.5 x 14.5 x 24.5 cm)
●Usage: 1.Office or Room Decoration 2.Educational Tool 3.Kids Toys
●Principle: Examine Newtons laws of motion and explore the value of important physics.
●Shake it with your hand/external force, or move it with 4 x AA batteries (not included) to transform energy so that it continues to shake until the battery runs out of power (about 10 days in a row).

Description