Knowledge

What are the beach children's toys

If your children are annoying you now, you can put them in an inflatable roller to entertain themselves. This toy is very suitable for playing indoors and on the soft beach.

Pay attention to the value of sand playing activities:

Sand playing activities can promote the development of children. Kindergarten managers should provide material conditions and sufficient time guarantee for sand playing activities.

The sand playing tools in the sand pool of the kindergarten are as follows

Put in container materials (such as buckets, pots, etc.), excavation materials (such as shovels, shovel, etc.) and filter materials (such as funnels, etc.). These materials are ess

How to fill water in children's water gun

The toy water gun includes a gun shell, a water storage container and a water injection control device in the gun shell, an inflation device at the front end of the gun shell, and

The reason why Thomas bubble machine can't produce bubbles and its solution

1. If you just bought a bubble machine, it's normal that you can't get bubbles. First press and hold the trigger for 10 seconds to release the trigger, and then press the trigger t

Why are the bubbles blown out of the bubble machine colorful?

I think many people have played bubble blowing. Everyone should have played with such a thing in their childhood memory when they were young. This kind of thing is bubble water. Bu

What is the concentrated liquid in the bubblemachine for？

The concentrated liquid in the bubble machine is put into the bubble machine, add water, and let it stand for five minutes. After the bubble is filled, the bubble machine can make

Effect of oxygen activation

Active oxygen has strong penetration and antioxidant capacity. It can quickly decompose and sterilize the oil, dirt and bacteria in the skin and even the pores, and can peel off th

Cleaning method of bubble machine

1) Open the product and adjust the instrument parameters

What is surface tension

Surface tension is the tension acting on both sides of any imaginary straight line on the liquid surface, perpendicular to the straight line and parallel to the liquid surface, and

Why can the bubble machine continuously blow out a lot of bubbles?

Although water can also blow bubbles, the surface tension of water will soon break these bubbles, making them unable to exist for a long time. In order to blow bubbles, you need to