Made of high quality plastic material, reusable and durable, easy to operate. This planting kit has the advantages of water saving, labor saving, high yield, etc. The roots of plants get full nourishment without searching soil for it. It is suitable for those starting out as indoor vegetable growers, or for children and teachers doing projects in class, and is also widely used in horticulture and agricultural fields. The plant growing kit brings the garden indoors, which can help your vegetables avoid bad weather, acid rich soils, slugs and pests. It also can be used on balcony, living room, yard, etc. Brief Introduction to Installation of Hydroponic Planting Box: 1. Remove the aeration stone from the air pump parts and insert the silicone hose into the hole. 2. Insert the aeration stone into the silicone hose. 3. Insert a silicone hose with stop valve into the vent hole of the air pump. 4. Install the clamp and buoy on the upper left corner hole. (Pump outside the water tank, away from the liquid, avoid burning out) Item Name: Plant Growing Box Material: Plastic Plug Type: US Plug, UK Plug Features: 11 Holes, Reusable, Soilless Cultivation, Easy to Use Box Size: 41cm x 28cm x 15cm/16.14" x 11.02" x 5.91" (Approx.) Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Plant Growing Box 1 x Gas Pump 1 x Buoy 11 x Planting Baskets 11 x Colonization Sponges 1 x Aeration Stone 1 x English Manual