This is a lighting block that is equipped with 3-color LEDs for charming and beautiful light beams. Models of various forms can be built for utility as an indoor toy for children's IQ/EQ development. This interesting item is also great choice for outdoor night-time sports activities.

• Puzzle product.
• Light up with vibration.
• Silicone tube connections: harmless to human body.
• Material: silicone + ABS + PP.
• Power: AG3 batteries.
• Light source: colorful LEDs.
• Intellect development.
• Cheering instruments.
• Waterproof structure.