Cardboard redstone

Tape

redstone dust

Redstone block into a big tape roll

With some mods, cavities will not show up

The iron spring

inside

Crafter into crafty dude in a box

the dude is inside

The little crafty dude

he opens the box and trows stuff at you

Two observers into two observy dudes in two boxes

i don't know why i've put two of them

Observy dudes

one of them is scared. Also when active the box jumps a bit

Redstone ore into tape ore

my biggest mistake

Mystical Sticks

Yeah i know it's getting out of hand

Two mystical stick taped on a cardboard plate in a specific way

That's the actual name, go ahead an see it yourself

Every blockstate of two mystical sticks taped on a cardboard...

plate in a specific way

Two mystical sticks creating mathematics

Comparators

Pistons to Box and iron spring

The iron spring is inside. Also has a smooth animation when opening and closing

Redstone lamps

All copper bulb variants