Sleeves and spacers turn AA or AAA batteries into C- or D-cell

Bought a used toy for my kids at a garage sale. I guess they didn

1/2pcs 18650 To 26650 AA Battery Converter Case Cover Sleeve

BATTERY 1,5V AAA/LR03 SUPER ALKALINE 4PCS - GPLR3 - IKH

China Four D Battery Holder, Four D Battery Holder Wholesale

Materials and Processes: EBL D size washers are made of high quality non-toxic ABS plastic, and durable materials extend battery life Safe and

EBL D Size Battery Adapters, AA to D Size Battery Spacer Converter Case Use with Rechargeable AA Battery Cells - 4 Pack

8 Slot LED Battery Charger Suitable for AA/AAA C / D Rechargeable

Eurocard Connectors

AAA Battery Holder for micro:bit Robot - Keyestudio KS0493

AAA to AA Battery Adapter 2AA to D Battery Converter Holder AA to

Pieces 3 x AA to 1 D Size Parallel Battery Holder Conversion

Aa To D Size Battery Spacer Converter Case Sackorange D Size

PALO 1.2V AA Rechargeable Battery 3000mAh aa Battery and Charger

Materials and Processes: EBL D size washers are made of high quality non-toxic ABS plastic, and durable materials extend battery life Safe and

EBL D Size Battery Adapters, AA to D Size Battery Spacer Converter Case Use with Rechargeable AA Battery Cells - 4 Pack

AAA to AA Battery Adapter Sleeve