Amazon.com: Switches Busy Board for Toddlers Montessori Light Switch Toys for Kids with Led Lights Up Pluggable Wires, Toys with Buttons to Push for Kids Aged 3+ Boys Girls Gift Educational Learning
LED Button Box Toddler Toy – Easy DIY Electronics Project – legit nerd
Carboard Box Creations for Kids to Play With - My Bored Toddler
4 Set STEM Kit, Wooden Building for Kids, Robot Piggy Bank, Music Box, – WoodArtSupply