【Item Name】Mini 4WD Moisture-Proof Motor Compact Case - Holds 12 A compact motor case compatible with both double-shaft and single-shaft Mini 4WD motors. 【Material】Heat-resistant ABS 【Size】 Width 14.5cm × Depth 11cm × Height 2.7cm 【Contents】 Outer case, holder inner (3D printed), temperature and humidity gauge (with battery) 【Features】 ・Developed with a focus on space-saving design among moisture-proof motor cases. ・Can store 12 motors with pinions attached. ・Includes a temperature and humidity gauge. ・Has a space for desiccant. ・Provides moderate holding power to prevent motors from moving. ・Alphabetical labels are printed for easy motor management. ・The outer case is stackable for easy storage. ＜Humidity Test＞ Placed in a room with 65% humidity, with 5g of OZO desiccant, left for 6 hours. Humidity was around 21% at 30°C. Further reduced to 10% humidity after another 6 hours. 【Consumables】 Outer case: Daiso Thin Storage Container 260ml To facilitate easy replacement in case of deterioration, a relatively inexpensive and readily available case is used. Please purchase and replace it yourself. Button battery: LR44 x 2 【Notes】 ・Motors and desiccants shown in the photos are not included. ・The desiccant space is not large due to the space-saving design. Please adjust the amount of desiccant used accordingly. (The photo shows 5g of OZO desiccant folded three times and placed inside) ・It is not a completely airtight moisture-proof case, but it has a sealing capability that prevents water leakage. ・3D printing characteristics such as layer lines and scratches may occur, but there are no functional issues. ・Although new cases are used, some minor scratches may be present. Please understand. ※Shipping will be in simple packaging to reduce shipping costs.