Description: Brand new, safe and non-toxic environmental plastic Cultivate interest in learning for kids Can let the children feel the magic of scientific knowledge Parent-child interaction cognition, which is a good activity to improve the feelings of parent and children Ideal for science education demonstration Specification: 1. Install and fix the magnet and the acrylic plate, insert the magnet should be consistent and the magnet in the same slot should be kept at a certain distance 2. Use a pad to fix the magnet in the cartridge 3. Adjust the magnet on the positioning plate and the magnet on the cartridge. Only when the distance is suitable, the pen can be suspended. Be patient and try more times Size Chart: 16x8x5cm Package Includes: 1 Set DIY Maglev Pen Kits(10pcs) Note: Due to the hand measurement, there have size error about 1-2cm Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same
