Amazon.com: Marble Genius Auger Lift: Expandable Marble Run Accessory Set Automatically Elevates Marbles Up to 19 Inches, for Infinite Loops of Marble Run Fun, Batteries Not Included, Recommended for Ages 5+ :
EZ Loop BATT-3.6-19AH-D Battery
Rechageable batteries Panasonic Eneloop Ocean Blue 2000mA 8x R6/AA B-PN-R6OCNC8
BMW Group, Northvolt and Umicore join forces to develop sustainable life cycle loop for batteries
Eneloop 4 Micro AAA 750mAh Batteries Blue | Dressinn
Dynex 48-pack of AA or AAA Batteries $8, Panasonic eneloop AA 8-pack rechargeables $20 Prime shipped, more
Eneloop AA 8-pk - Eco Carmel
Panasonic Eneloop LITE AAA 550mAh Rechargeable 🔋 BatteryDivision
Rechageable batteries Panasonic Eneloop Ocean Blue 800mA 8x R3/AAA B-PN-R3OCNC8