Type 2: 42.4x 94.5 mm, Size Type 1: 39x 81mm, Color Black, Type 2: 88g, Voltage DC 3.0V, Power 2x Alkaline Battery (Not Include), Type 2: Aluminum Alloy / ABS / TPE / Silicone, Brand Star Compass, Material Type 1: ABS / Silicone, Weight Type 1: 70g.
Check coupons or create price alert down below. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. Well, there is one coupon available right now.
Link: Banggood product page
1. ($26.83): BANGGOODSD
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): FBCOUPON1, BGcompass7, BGHome15%, BGHOMEA15%, BGAFF10OFF, BGCuponation10, 13f142, BGHONEY2110, BG10OFFAFF, BGwhielabel, BGJUTD273, BG10OFFAFF1
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Here is price history (for all/most countries) for Star Compass Mini Drinking Bubbler. The lowest price was: $18.35.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).